{"product_id":"serta-iseries-nxg-3500-medium-hybrid-mattress","title":"Serta iSeries NXG 3500 Medium Hybrid Mattress (Cooling + 5-Zone Support)","description":"\u003c!-- more --\u003e\n\u003cdiv\u003e\n\u003ch2 class=\"page-title-bar\"\u003eSerta® iSeries® NXG™ Mattress - 3500 Hybrid Medium\u003c\/h2\u003e\n\u003cp data-start=\"1359\" data-end=\"1621\"\u003eFind the perfect balance of contouring comfort and responsive support. The NXG 3500 Medium Hybrid combines cooling technology, pressure-relieving memory foam, and targeted coil support for restorative sleep.\u003c\/p\u003e\n\u003cp data-start=\"1623\" data-end=\"1639\"\u003e\u003cstrong data-start=\"1623\" data-end=\"1639\"\u003eKey Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1640\" data-end=\"1963\"\u003e\n\u003cli data-start=\"1640\" data-end=\"1690\"\u003e\n\u003cp data-start=\"1642\" data-end=\"1690\"\u003e\u003cstrong data-start=\"1642\" data-end=\"1657\"\u003eMedium feel\u003c\/strong\u003e for balanced comfort + support\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1691\" data-end=\"1754\"\u003e\n\u003cp data-start=\"1693\" data-end=\"1754\"\u003e\u003cstrong data-start=\"1693\" data-end=\"1715\"\u003eCooling technology\u003c\/strong\u003e designed to help prevent overheating\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1755\" data-end=\"1809\"\u003e\n\u003cp data-start=\"1757\" data-end=\"1809\"\u003e\u003cstrong data-start=\"1757\" data-end=\"1776\"\u003eNXG Memory Foam\u003c\/strong\u003e for contouring pressure relief\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1810\" data-end=\"1859\"\u003e\n\u003cp data-start=\"1812\" data-end=\"1859\"\u003e\u003cstrong data-start=\"1812\" data-end=\"1834\"\u003e5-zone coil system\u003c\/strong\u003e for targeted alignment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1860\" data-end=\"1913\"\u003e\n\u003cp data-start=\"1862\" data-end=\"1913\"\u003e\u003cstrong data-start=\"1862\" data-end=\"1882\"\u003eMotion isolation\u003c\/strong\u003e for less partner disturbance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1914\" data-end=\"1963\"\u003e\n\u003cp data-start=\"1916\" data-end=\"1963\"\u003e\u003cstrong data-start=\"1916\" data-end=\"1932\"\u003eEdge support\u003c\/strong\u003e for a stronger sleep surface\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1965\" data-end=\"1977\"\u003e\u003cstrong data-start=\"1965\" data-end=\"1977\"\u003eBest For\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1978\" data-end=\"2113\"\u003e\n\u003cli data-start=\"1978\" data-end=\"2030\"\u003e\n\u003cp data-start=\"1980\" data-end=\"2030\"\u003eSide sleepers, back sleepers, and combo sleepers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2031\" data-end=\"2072\"\u003e\n\u003cp data-start=\"2033\" data-end=\"2072\"\u003eCouples who want less motion transfer\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2073\" data-end=\"2113\"\u003e\n\u003cp data-start=\"2075\" data-end=\"2113\"\u003eSleepers who want a true “medium” feel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"adj-contain\"\u003e\n\u003cdiv class=\"feat-image-col\"\u003e\n\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0083\/9938\/8757\/files\/1_Serta_iSeriesNXG_Hero_3500HybridMedium_2000x2000.jpg?v=1764953372\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0083\/9938\/8757\/files\/1_Serta_iSeriesNXG_Hero_3500HybridMed_2000x2000_7c9d0feb-e02e-47ec-9dc9-5957cc32bfe5.jpg?v=1764969030\" alt=\"\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feat-descript-col\"\u003e\n\u003cul class=\"general-contain\"\u003e\n\u003c!-- flex container--\u003e\n\u003cli style=\"padding-top: 1px; padding-bottom: 1px; margin-top: 1px;\" class=\"col-left\"\u003e\n\u003ch4\u003eMATTRESS LAYERS:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eCoolFeel™ Cover provides instant cool-to-the-touch comfort the moment you lie down\u003c\/li\u003e\n\u003cli\u003eCarbon Fiber Memory Foam draws heat away from your body for all-night temperature regulation\u003c\/li\u003e\n\u003cli\u003eHigh-Density NXG™ Memory Foam delivers deep, contouring pressure relief that cradles your body\u003c\/li\u003e\n\u003cli\u003e5-Zone Coil Support System with alternating firm and plush zones for targeted back and body support\u003c\/li\u003e\n\u003cli\u003eBestEdge® Support technology ensures lasting edge-to-edge stability and maximizes usable sleep surface\u003c\/li\u003e\n\u003cli\u003eHigh-density foam core provides durable foundational support for years of consistent comfort\u003c\/li\u003e\n\u003cli\u003eCompatible with most bed frames including traditional frames, box springs, platform frames, slatted frames, bunky boards, and adjustable bases\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli style=\"padding-top: 1px; padding-bottom: 1px; margin-top: 1px;\" class=\"col-left\"\u003e\n\u003ch4\u003eMATTRESS FEATURES:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eMedium feel ideal for all sleep positions seeking balanced comfort and support\u003c\/li\u003e\n\u003cli\u003eImmediate cooling technology with CoolFeel™ Cover and Carbon Fiber Memory Foam\u003c\/li\u003e\n\u003cli\u003eNXG™ Memory Foam provides innovative, high-density pressure relief\u003c\/li\u003e\n\u003cli\u003e5-Zone Coil System offers targeted support for different body regions\u003c\/li\u003e\n\u003cli\u003eBestEdge® Support maximizes edge-to-edge stability and usable surface area\u003c\/li\u003e\n\u003cli\u003eMotion control design minimizes partner movement disturbance\u003c\/li\u003e\n\u003cli\u003eCertiPUR-US® Certified foam ensures safety and quality standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Immediate Cooling Section --\u003e\n\u003cdiv class=\"adj-contain\"\u003e\n\u003cdiv class=\"feat-image-col\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0083\/9938\/8757\/files\/Serta_iSeriesNXG_Componentry_CoolFeelPlusSystem.jpg?v=1764891322\" alt=\"\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"feat-descript-col\"\u003e\n\u003ch3\u003e\u003cspan class=\"section-header\"\u003eImmediate Cooling: Temperature-Regulated Sleep\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003eExperience the instant relief of immediate cooling technology that begins working the moment you lie down. The CoolFeel™ Cover delivers that satisfying \"ahh\" sensation with its cool-to-the-touch surface, helping you fall asleep faster by eliminating the initial heat buildup that can disrupt your sleep onset.\u003c\/p\u003e\n\u003cp\u003eBeneath the surface, Carbon Fiber Memory Foam actively draws heat away from your body throughout the night, redistributing warmth and maintaining a consistently comfortable sleep temperature. This dual-layer cooling approach ensures you stay cool from the moment you get into bed until you wake up refreshed, making hot nights a thing of the past.\u003c\/p\u003e\n\u003ch4\u003eCooling Benefits:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstant Cool-to-Touch Surface\u003c\/strong\u003e - Immediate comfort upon contact\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat Redistribution Technology\u003c\/strong\u003e - Carbon Fiber Memory Foam draws heat away\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll-Night Temperature Control\u003c\/strong\u003e - Consistent comfort throughout sleep\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFaster Sleep Onset\u003c\/strong\u003e - Cool surface helps you fall asleep quicker\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Sleep Quality\u003c\/strong\u003e - Reduced temperature-related wake-ups\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Layer Cooling System\u003c\/strong\u003e - Cover and foam work in harmony\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Pressure Relief Section --\u003e\n\u003cdiv class=\"adj-contain\"\u003e\n\u003cdiv class=\"feat-image-col\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0083\/9938\/8757\/files\/Serta_iSeriesNXG_Benefits_2000x2000_09e028af-09f6-4ee1-a415-c2a4c121461e.jpg?v=1764891321\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"feat-descript-col\"\u003e\n\u003ch3\u003e\u003cspan class=\"section-header\"\u003eInstant Pressure Relief: Contouring Comfort\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003eThe 3500 Hybrid Medium features innovative NXG™ Memory Foam—a high-density, premium memory foam that provides deep, contouring pressure relief exactly where you need it most. This advanced foam technology cradles your body's natural curves, distributing weight evenly and eliminating pressure points that can cause discomfort and restless sleep.\u003c\/p\u003e\n\u003cp\u003eThe medium feel strikes the perfect balance between plush comfort and firm support, making it ideal whether you sleep on your back, side, or stomach. The NXG Memory Foam adapts to your unique shape while maintaining proper spinal alignment, ensuring that every curve of your body receives the perfect amount of cushioning without excessive sinkage. This creates a sleep surface that feels both supportive and comforting, regardless of your preferred sleep position.\u003c\/p\u003e\n\u003ch4\u003ePressure Relief Features:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Density NXG™ Memory Foam\u003c\/strong\u003e - Premium contouring technology\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeep Pressure Relief\u003c\/strong\u003e - Eliminates pressure points throughout the body\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Contouring\u003c\/strong\u003e - Adapts to your unique shape and curves\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedium Feel\u003c\/strong\u003e - Balanced comfort for all sleep positions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEven Weight Distribution\u003c\/strong\u003e - Reduces stress on joints and pressure points\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Support\u003c\/strong\u003e - Ideal for back, side, and stomach sleepers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Zoned Support Section --\u003e\n\u003cdiv class=\"adj-contain\"\u003e\n\u003cdiv class=\"feat-image-col\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0083\/9938\/8757\/files\/Serta_iSeriesNXG_Componentry_5ZoneSupport.jpg?v=1764891321\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"feat-descript-col\"\u003e\n\u003ch3\u003e\u003cspan class=\"section-header\"\u003eIdeal Support: 5-Zone Targeted Comfort\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003eThe sophisticated 5-Zone Coil Support System represents a breakthrough in personalized mattress support. This innovative design features alternating firm and plush zones strategically positioned to better support the natural curves of your back and body. Unlike uniform coil systems, the zoned approach recognizes that different areas of your body require different levels of support.\u003c\/p\u003e\n\u003cp\u003eYour shoulders and hips receive plush, contouring support that allows them to sink in comfortably, while your lumbar region and core benefit from firmer support that maintains proper spinal alignment. This targeted approach ensures that every part of your body receives the ideal level of support, promoting healthy sleep posture and reducing morning stiffness or discomfort. The medium firmness level makes this system work harmoniously for sleepers of all types.\u003c\/p\u003e\n\u003ch4\u003eZoned Support Benefits:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e5-Zone Coil System\u003c\/strong\u003e - Alternating firm and plush support zones\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTargeted Back Support\u003c\/strong\u003e - Optimized support for spinal alignment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Curve Adaptation\u003c\/strong\u003e - Supports natural body contours\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBestEdge® Technology\u003c\/strong\u003e - Edge-to-edge stability and support\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Durability\u003c\/strong\u003e - High-density foam core for lasting support\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimal Sleep Posture\u003c\/strong\u003e - Promotes healthy spinal alignment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Motion Control Section --\u003e\n\u003cdiv class=\"adj-contain\"\u003e\n\u003cdiv class=\"feat-image-col\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0083\/9938\/8757\/files\/4_Serta_iSeriesNXG_Feel_3500HybridMedium_2000x2000.jpg?v=1764953604\" alt=\"\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0083\/9938\/8757\/files\/4_Serta_iSeriesNXG_Feel_3500HybridMedium_2000x2000_94a8cb9b-9555-4045-94a6-009ba26ace00.jpg?v=1764969352\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feat-descript-col\"\u003e\n\u003ch3\u003e\u003cspan class=\"section-header\"\u003eMotion Control: Undisturbed Sleep\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003eExperience the peace of undisturbed sleep with the 3500 Hybrid Medium's advanced motion control design. The combination of memory foam layers and pocketed coil system works together to minimize the impact of your partner's movements, ensuring that tossing, turning, or getting in and out of bed doesn't disrupt your rest.\u003c\/p\u003e\n\u003cp\u003eThis motion-isolating technology is particularly valuable for couples with different sleep schedules or movement patterns. Whether your partner gets up early or moves frequently during the night, you'll enjoy uninterrupted sleep thanks to the mattress's ability to absorb and contain motion within each sleeping zone. The medium firmness level provides responsive support while still effectively isolating movement.\u003c\/p\u003e\n\u003ch4\u003eMotion Control Features:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimal Motion Transfer\u003c\/strong\u003e - Isolates movement to individual zones\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMemory Foam Absorption\u003c\/strong\u003e - Cushions and contains movement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePocketed Coil Design\u003c\/strong\u003e - Independent coil movement reduces transfer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePartner-Friendly Sleep\u003c\/strong\u003e - Undisturbed rest for both sleepers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Sleep Continuity\u003c\/strong\u003e - Fewer wake-ups from movement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIdeal for Couples\u003c\/strong\u003e - Perfect for partners with different sleep patterns\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Edge Support Section --\u003e\n\u003cdiv class=\"adj-contain\"\u003e\n\u003cdiv class=\"feat-image-col\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0083\/9938\/8757\/files\/Serta_iSeriesNXG_Componentry_UltimateEdgeSupport_fe4535ea-b0d9-4613-a7d0-27666c901b55.jpg?v=1764953640\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"feat-descript-col\"\u003e\n\u003ch3\u003e\u003cspan class=\"section-header\"\u003eBestEdge® Support: Maximum Usable Surface\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003eThe BestEdge® Support technology ensures that every inch of your mattress provides consistent support and stability, from the center to the very edges. This innovative edge support system prevents the sagging and compression that can occur in traditional mattresses, maximizing your usable sleep surface and providing a firm, stable edge for sitting or sleeping near the perimeter.\u003c\/p\u003e\n\u003cp\u003eWhether you're someone who sleeps near the edge, needs extra space for stretching out, or simply appreciates the confidence of knowing your mattress won't sag over time, BestEdge® Support delivers lasting edge-to-edge stability. This technology ensures that your mattress maintains its shape and support characteristics throughout its entire lifespan, providing consistent comfort wherever you choose to sleep.\u003c\/p\u003e\n\u003ch4\u003eEdge Support Benefits:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEdge-to-Edge Stability\u003c\/strong\u003e - Consistent support across entire surface\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Usable Surface\u003c\/strong\u003e - Full mattress utilization\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents Edge Sagging\u003c\/strong\u003e - Maintains shape and support over time\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStable Sitting Edge\u003c\/strong\u003e - Firm support for edge sitting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong-Lasting Performance\u003c\/strong\u003e - Durable edge support technology\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Versatility\u003c\/strong\u003e - Comfortable sleep anywhere on the mattress\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Certifications Section --\u003e\n\u003cdiv class=\"adj-contain\"\u003e\n\u003cdiv class=\"feat-image-col\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0083\/9938\/8757\/files\/Serta_iSeriesNXG_MADE-IN-USA_2000x2000_cfdd44d4-6ab6-4cd2-8303-e2206641b889.jpg?v=1764891323\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"feat-descript-col\"\u003e\n\u003ch3\u003e\u003cspan class=\"section-header\"\u003eResponsibly Crafted: Certified Quality \u0026amp; Safety\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003eThe iSeries NXG 3500 Hybrid Medium is CertiPUR-US® Certified, meaning all foam components have been rigorously tested and verified to be free from harmful chemicals and gasses. This certification ensures that your mattress meets strict standards for content, emissions, and durability, providing you with peace of mind about the materials you're sleeping on every night.\u003c\/p\u003e\n\u003cp\u003eThis commitment to responsible manufacturing means you can rest easy knowing that your mattress is not only comfortable and supportive but also safe for you and your family. The CertiPUR-US® certification represents a dedication to quality, safety, and environmental responsibility that extends beyond comfort to encompass your overall health and well-being.\u003c\/p\u003e\n\u003ch4\u003eCertification Benefits:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertiPUR-US® Certified\u003c\/strong\u003e - Verified safety and quality standards\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree from Harmful Chemicals\u003c\/strong\u003e - Tested for safety and emissions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRigorous Testing\u003c\/strong\u003e - Content, emissions, and durability verified\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHealth-Conscious Materials\u003c\/strong\u003e - Safe for you and your family\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Responsibility\u003c\/strong\u003e - Commitment to sustainable practices\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuality Assurance\u003c\/strong\u003e - Verified manufacturing standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"specs\" class=\"tab-content\"\u003e\n\u003ch3\u003ePRODUCT SPECIFICATIONS\u003c\/h3\u003e\n\u003ch4\u003eComfort \u0026amp; Feel\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeel Level:\u003c\/strong\u003e Medium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIdeal For:\u003c\/strong\u003e All Sleep Positions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupport Level:\u003c\/strong\u003e Targeted Zoned Support\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure Relief:\u003c\/strong\u003e High-Density NXG™ Memory Foam\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling Technology:\u003c\/strong\u003e CoolFeel™ Cover \u0026amp; Carbon Fiber Memory Foam\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eConstruction \u0026amp; Materials\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMattress Type:\u003c\/strong\u003e Hybrid (Memory Foam + Coils)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCover:\u003c\/strong\u003e CoolFeel™ Cool-to-Touch Cover\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTop Layer:\u003c\/strong\u003e Carbon Fiber Memory Foam\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComfort Layer:\u003c\/strong\u003e High-Density NXG™ Memory Foam\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupport System:\u003c\/strong\u003e 5-Zone Coil System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEdge Support:\u003c\/strong\u003e BestEdge® Support Technology\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBase Layer:\u003c\/strong\u003e High-Density Foam Core\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertification:\u003c\/strong\u003e CertiPUR-US® Certified\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003ePerformance Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotion Control:\u003c\/strong\u003e Designed to minimize partner movement impact\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling:\u003c\/strong\u003e Immediate cooling with heat redistribution\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure Relief:\u003c\/strong\u003e Deep contouring pressure relief\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupport:\u003c\/strong\u003e Targeted zoned support for back and body\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEdge Support:\u003c\/strong\u003e Edge-to-edge stability and support\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTraditional Frames:\u003c\/strong\u003e Compatible\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBox Springs:\u003c\/strong\u003e Compatible\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlatform Frames:\u003c\/strong\u003e Compatible\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSlatted Frames:\u003c\/strong\u003e Compatible\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBunky Boards:\u003c\/strong\u003e Compatible\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Bases:\u003c\/strong\u003e Compatible (split head base required for split head models)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan class=\"section-header\"\u003eMATTRESS DIMENSIONS\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul class=\"general-contain\"\u003e\n\u003c!-- flex container--\u003e\n\u003cli class=\"col-bed\"\u003e\n\u003cdiv class=\"icon\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill=\"none\" viewbox=\"0 0 137 136\" height=\"136\" width=\"137\"\u003e \u003crect stroke-linejoin=\"round\" stroke-width=\"2\" stroke=\"#BBBBBB\" rx=\"4\" height=\"108\" width=\"60\" y=\"11\" x=\"38.5\"\u003e\u003c\/rect\u003e \u003cpath stroke-linejoin=\"round\" stroke-width=\"2\" stroke=\"#564443\" fill=\"#E2E2E2\" d=\"M38.5 52H98.5V115C98.5 117.209 96.7091 119 94.5 119H42.5C40.2909 119 38.5 117.209 38.5 115V52Z\"\u003e\u003c\/path\u003e \u003cpath stroke-linejoin=\"round\" stroke-width=\"2\" stroke=\"#564443\" fill=\"white\" d=\"M38.5 45H98.5V58H38.5V45Z\"\u003e\u003c\/path\u003e \u003crect stroke-linejoin=\"round\" stroke-width=\"2\" stroke=\"#BBBBBB\" rx=\"4\" height=\"22\" width=\"41\" y=\"17\" x=\"47.5\"\u003e\u003c\/rect\u003e \u003c\/svg\u003e\u003c\/div\u003e\n\u003ch4 class=\"bed-icon-head\"\u003eTwin XL\u003c\/h4\u003e\n\u003cp\u003e39\"W x 79.5\"L x 13.5\"H\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 105.41 lbs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"col-bed\"\u003e\n\u003cdiv class=\"icon\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill=\"none\" viewbox=\"0 0 137 136\" height=\"136\" width=\"137\"\u003e \u003crect stroke-linejoin=\"round\" stroke-width=\"2\" stroke=\"#BBBBBB\" rx=\"4\" height=\"102\" width=\"86\" y=\"17\" x=\"25.25\"\u003e\u003c\/rect\u003e \u003crect stroke-linejoin=\"round\" stroke-width=\"2\" stroke=\"#BBBBBB\" rx=\"4\" height=\"22\" width=\"33\" y=\"23\" x=\"31.25\"\u003e\u003c\/rect\u003e \u003crect stroke-linejoin=\"round\" stroke-width=\"2\" stroke=\"#BBBBBB\" rx=\"4\" height=\"22\" width=\"33\" y=\"23\" x=\"72.25\"\u003e\u003c\/rect\u003e \u003cpath stroke-linejoin=\"round\" stroke-width=\"2\" stroke=\"#564443\" fill=\"#E2E2E2\" d=\"M25.25 52H111.25V115C111.25 117.209 109.459 119 107.25 119H29.25C27.0409 119 25.25 117.209 25.25 115V52Z\"\u003e\u003c\/path\u003e \u003cpath stroke-linejoin=\"round\" stroke-width=\"2\" stroke=\"#564443\" fill=\"white\" d=\"M25.25 51H111.25V64H25.25V51Z\"\u003e\u003c\/path\u003e \u003c\/svg\u003e\u003c\/div\u003e\n\u003ch4 class=\"bed-icon-head\"\u003eFull\u003c\/h4\u003e\n\u003cp\u003e54\"W x 74.5\"L x 13.5\"H\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 134.01 lbs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"col-bed\"\u003e\n\u003cdiv class=\"icon\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill=\"none\" viewbox=\"0 0 137 136\" height=\"136\" width=\"137\"\u003e \u003crect stroke-linejoin=\"round\" stroke-width=\"2\" stroke=\"#BBBBBB\" rx=\"4\" height=\"108\" width=\"86\" y=\"11\" x=\"25\"\u003e\u003c\/rect\u003e \u003crect stroke-linejoin=\"round\" stroke-width=\"2\" stroke=\"#BBBBBB\" rx=\"4\" height=\"22\" width=\"33\" y=\"17\" x=\"31\"\u003e\u003c\/rect\u003e \u003crect stroke-linejoin=\"round\" stroke-width=\"2\" stroke=\"#BBBBBB\" rx=\"4\" height=\"22\" width=\"33\" y=\"17\" x=\"72\"\u003e\u003c\/rect\u003e \u003cpath stroke-linejoin=\"round\" stroke-width=\"2\" stroke=\"#564443\" fill=\"#E2E2E2\" d=\"M25 52H111V115C111 117.209 109.209 119 107 119H29C26.7909 119 25 117.209 25 115V52Z\"\u003e\u003c\/path\u003e \u003cpath stroke-linejoin=\"round\" stroke-width=\"2\" stroke=\"#564443\" fill=\"white\" d=\"M25 45H111V58H25V45Z\"\u003e\u003c\/path\u003e \u003c\/svg\u003e\u003c\/div\u003e\n\u003ch4 class=\"bed-icon-head\"\u003eQueen\u003c\/h4\u003e\n\u003cp\u003e60\"W x 79.5\"L x 13.5\"H\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 158.34 lbs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"col-bed\"\u003e\n\u003cdiv class=\"icon\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill=\"none\" viewbox=\"0 0 137 136\" height=\"136\" width=\"137\"\u003e \u003crect stroke-linejoin=\"round\" stroke-width=\"2\" stroke=\"#BBBBBB\" rx=\"4\" height=\"108\" width=\"86\" y=\"11\" x=\"25\"\u003e\u003c\/rect\u003e \u003crect stroke-linejoin=\"round\" stroke-width=\"2\" stroke=\"#BBBBBB\" rx=\"4\" height=\"22\" width=\"33\" y=\"17\" x=\"31\"\u003e\u003c\/rect\u003e \u003crect stroke-linejoin=\"round\" stroke-width=\"2\" stroke=\"#BBBBBB\" rx=\"4\" height=\"22\" width=\"33\" y=\"17\" x=\"72\"\u003e\u003c\/rect\u003e \u003cpath stroke-linejoin=\"round\" stroke-width=\"2\" stroke=\"#564443\" fill=\"#E2E2E2\" d=\"M25 52H111V115C111 117.209 109.209 119 107 119H29C26.7909 119 25 117.209 25 115V52Z\"\u003e\u003c\/path\u003e \u003cpath stroke-linejoin=\"round\" stroke-width=\"2\" stroke=\"#564443\" fill=\"white\" d=\"M25 45H111V58H25V45Z\"\u003e\u003c\/path\u003e \u003cline stroke-width=\"2\" stroke=\"#BBBBBB\" y2=\"44\" x2=\"68\" y1=\"12\" x1=\"68\"\u003e\u003c\/line\u003e \u003cpath stroke-width=\"2\" stroke=\"#564443\" d=\"M68 59V119\" opacity=\"0.2\"\u003e\u003c\/path\u003e \u003c\/svg\u003e\u003c\/div\u003e\n\u003ch4 class=\"bed-icon-head\"\u003eSplit Head Queen\u003c\/h4\u003e\n\u003cp\u003e60\"W x 79.5\"L x 13.5\"H\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 161.71 lbs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"general-contain\"\u003e\n\u003c!-- flex container--\u003e\n\u003cli class=\"col-bed\"\u003e\n\u003cdiv class=\"icon\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill=\"none\" viewbox=\"0 0 137 136\" height=\"136\" width=\"137\"\u003e \u003crect stroke-linejoin=\"round\" stroke-width=\"2\" stroke=\"#BBBBBB\" rx=\"4\" height=\"108\" width=\"110\" y=\"11\" x=\"13.75\"\u003e\u003c\/rect\u003e \u003crect stroke-linejoin=\"round\" stroke-width=\"2\" stroke=\"#BBBBBB\" rx=\"4\" height=\"22\" width=\"45\" y=\"17\" x=\"19.75\"\u003e\u003c\/rect\u003e \u003crect stroke-linejoin=\"round\" stroke-width=\"2\" stroke=\"#BBBBBB\" rx=\"4\" height=\"22\" width=\"45\" y=\"17\" x=\"72.75\"\u003e\u003c\/rect\u003e \u003cpath stroke-linejoin=\"round\" stroke-width=\"2\" stroke=\"#564443\" fill=\"#E2E2E2\" d=\"M13.75 52H123.75V115C123.75 117.209 121.959 119 119.75 119H17.75C15.5409 119 13.75 117.209 13.75 115V52Z\"\u003e\u003c\/path\u003e \u003cpath stroke-linejoin=\"round\" stroke-width=\"2\" stroke=\"#564443\" fill=\"white\" d=\"M13.75 45H123.75V58H13.75V45Z\"\u003e\u003c\/path\u003e \u003c\/svg\u003e\u003c\/div\u003e\n\u003ch4 class=\"bed-icon-head\"\u003eKing\u003c\/h4\u003e\n\u003cp\u003e76\"W x 79.5\"L x 13.5\"H\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 196.66 lbs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"col-bed\"\u003e\n\u003cdiv class=\"icon\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill=\"none\" viewbox=\"0 0 137 136\" height=\"136\" width=\"137\"\u003e \u003crect stroke-linejoin=\"round\" stroke-width=\"2\" stroke=\"#BBBBBB\" rx=\"4\" height=\"108\" width=\"110\" y=\"11\" x=\"13.75\"\u003e\u003c\/rect\u003e \u003crect stroke-linejoin=\"round\" stroke-width=\"2\" stroke=\"#BBBBBB\" rx=\"4\" height=\"22\" width=\"45\" y=\"17\" x=\"19.75\"\u003e\u003c\/rect\u003e \u003crect stroke-linejoin=\"round\" stroke-width=\"2\" stroke=\"#BBBBBB\" rx=\"4\" height=\"22\" width=\"45\" y=\"17\" x=\"72.75\"\u003e\u003c\/rect\u003e \u003cpath stroke-linejoin=\"round\" stroke-width=\"2\" stroke=\"#564443\" fill=\"#E2E2E2\" d=\"M13.75 52H123.75V115C123.75 117.209 121.959 119 119.75 119H17.75C15.5409 119 13.75 117.209 13.75 115V52Z\"\u003e\u003c\/path\u003e \u003cpath stroke-linejoin=\"round\" stroke-width=\"2\" stroke=\"#564443\" fill=\"white\" d=\"M13.75 45H123.75V58H13.75V45Z\"\u003e\u003c\/path\u003e \u003c\/svg\u003e\u003c\/div\u003e\n\u003ch4 class=\"bed-icon-head\"\u003eCal King\u003c\/h4\u003e\n\u003cp\u003e72\"W x 83.5\"L x 13.5\"H\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 196.19 lbs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"col-bed\"\u003e\n\u003cdiv class=\"icon\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill=\"none\" viewbox=\"0 0 137 136\" height=\"136\" width=\"137\"\u003e \u003crect stroke-linejoin=\"round\" stroke-width=\"2\" stroke=\"#BBBBBB\" rx=\"4\" height=\"108\" width=\"110\" y=\"11\" x=\"13\"\u003e\u003c\/rect\u003e \u003crect stroke-linejoin=\"round\" stroke-width=\"2\" stroke=\"#BBBBBB\" rx=\"4\" height=\"22\" width=\"43\" y=\"17\" x=\"19\"\u003e\u003c\/rect\u003e \u003crect stroke-linejoin=\"round\" stroke-width=\"2\" stroke=\"#BBBBBB\" rx=\"4\" height=\"22\" width=\"43\" y=\"17\" x=\"74\"\u003e\u003c\/rect\u003e \u003cpath stroke-linejoin=\"round\" stroke-width=\"2\" stroke=\"#564443\" fill=\"#E2E2E2\" d=\"M13 52H123V115C123 117.209 121.209 119 119 119H17C14.7909 119 13 117.209 13 115V52Z\"\u003e\u003c\/path\u003e \u003cpath stroke-linejoin=\"round\" stroke-width=\"2\" stroke=\"#564443\" fill=\"white\" d=\"M13 45H123V58H13V45Z\"\u003e\u003c\/path\u003e \u003cline stroke-width=\"2\" stroke=\"#BBBBBB\" y2=\"44\" x2=\"68\" y1=\"12\" x1=\"68\"\u003e\u003c\/line\u003e \u003cpath stroke-width=\"2\" stroke=\"#564443\" d=\"M68 59V119\" opacity=\"0.2\"\u003e\u003c\/path\u003e \u003c\/svg\u003e\u003c\/div\u003e\n\u003ch4 class=\"bed-icon-head\"\u003eSplit Head King\u003c\/h4\u003e\n\u003cp\u003e76\"W x 79.5\"L x 13.5\"H\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 166.9 lbs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- Care Instructions --\u003e\n\u003cdiv class=\"care-section\"\u003e\n\u003ch3\u003eCARE INSTRUCTIONS\u003c\/h3\u003e\n\u003cdiv class=\"care-content\"\u003e\n\u003cdiv class=\"care-text\"\u003e\n\u003cul\u003e\n\u003cli\u003eTo protect your mattress from stains and spills, we highly recommend using a mattress protector. This will also help with the overall health and lifespan of your mattress.\u003c\/li\u003e\n\u003cli\u003eWe do not recommend applying liquids to the product. Applying liquids may stain the fabric and make the soiled area worse. Moisture or chemicals applied directly to the mattress can cause premature breakdown of the foam and damage the product.\u003c\/li\u003e\n\u003cli\u003eWe suggest applying baking soda to the soiled area, let stand about 15 minutes, vacuum, and repeat as needed. Air the product out as much as possible.\u003c\/li\u003e\n\u003cli\u003eRegular rotation is recommended to ensure even wear and maintain optimal comfort and support.\u003c\/li\u003e\n\u003cli\u003eUse a mattress protector to maintain cleanliness and extend the life of your mattress.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Additional Information --\u003e\n\u003cdiv class=\"adj-contain\"\u003e\n\u003cdiv class=\"feat-descript-col\"\u003e\n\u003ch3\u003e\u003cspan class=\"section-header\"\u003eAdditional Information\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Serta® iSeries® NXG™ 3500 Hybrid Medium Mattress represents the perfect balance of next-generation sleep technology, combining immediate cooling comfort with instant pressure relief and ideal support. This medium-firm hybrid design is thoughtfully engineered for all sleep positions, delivering versatile comfort that adapts to your body's unique needs without compromising on support or temperature regulation.\u003c\/p\u003e\n\u003cp\u003eWith its innovative NXG Memory Foam, advanced cooling technology, and sophisticated 5-zone coil system, the 3500 Hybrid Medium delivers a sleep experience that works harmoniously for back, side, and stomach sleepers alike. The BestEdge® Support ensures lasting edge-to-edge stability, while CertiPUR-US® certification provides peace of mind about the quality and safety of your investment. Backed by a 100-night in-home trial and 10-year limited warranty, this mattress offers exceptional value with the perfect combination of comfort, support, and confidence in your purchase decision.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Serta","offers":[{"title":"TwinXL","offer_id":59783872577617,"sku":"500401938","price":499.0,"currency_code":"USD","in_stock":true},{"title":"Full","offer_id":59783872610385,"sku":"500401938","price":599.0,"currency_code":"USD","in_stock":true},{"title":"Queen","offer_id":59783872643153,"sku":"500401938","price":699.0,"currency_code":"USD","in_stock":true},{"title":"Split Head Queen","offer_id":59783872675921,"sku":"500401938","price":899.0,"currency_code":"USD","in_stock":true},{"title":"King","offer_id":59783872708689,"sku":"500401938","price":999.0,"currency_code":"USD","in_stock":true},{"title":"Split Head King","offer_id":59783872741457,"sku":"500401938","price":1132.0,"currency_code":"USD","in_stock":true},{"title":"Cal King","offer_id":59783872774225,"sku":"500401938","price":1232.0,"currency_code":"USD","in_stock":true},{"title":"Split King (Includes Two Twin XL Mattresses)","offer_id":59783872806993,"sku":"500401938","price":1499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1042\/2376\/8657\/files\/1_Serta_iSeriesNXG_Hero_3500HybridMed_2000x2000_2fb82016-223d-47e4-b078-c40a89434f9d.jpg?v=1783698537","url":"https:\/\/www.bergenfieldfurniture.com\/products\/serta-iseries-nxg-3500-medium-hybrid-mattress","provider":"Bergenfield Furniture","version":"1.0","type":"link"}