{"product_id":"serta-iseries-nxg-3500-hybrid-medium-mattress","title":"Serta iSeries NXG 3500 Hybrid Medium Mattress","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003eBalanced comfort. Adaptive support. Advanced cooling.\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003eThe Serta iSeries NXG 3500 Hybrid Medium mattress is thoughtfully designed for sleepers who change positions throughout the night and couples with different comfort preferences. Built with a series of benefits for the sleep you want, it delivers immediate cooling, responsive pressure relief, and targeted coil support that adapts to your movements. Its medium feel offers the ideal balance of cushioning and stability, helping relieve pressure while maintaining healthy alignment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003eThe hybrid design enhances ease of movement, while motion-isolating foams help minimize disruptions from a partner’s movement. Zoned support reinforces the back and core, and cooling technologies maintain consistent comfort across the sleep surface for deeper, uninterrupted rest.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003eBest for combination sleepers \u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003eand couples seeking balanced comfort, responsiveness, and cooling support.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in;\" class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003eComfort Level: \u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003eMedium\u003cb\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in;\" class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003eMade in the USA\u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003e with Global Components\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in;\" class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003eMattress Type: \u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003eHybrid Mattress\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in;\" class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003eSleep Style:\u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003e All Sleep Positions\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in;\" class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003eAdjustable Base Compatible: \u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in;\" class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003eBenefits: \u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003eBalanced comfort, cooling relief, responsive support, motion isolation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003eSustainability: \u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cspan style=\"mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003eCertiPUR-US® Certified Foams – Low-VOC materials support healthier indoor air quality.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003eDurable Hybrid Design – Built for consistent performance and reduced replacement frequency.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin-bottom: 0in;\" class=\"MsoNormal\"\u003e\u003cspan style=\"mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in;\" class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003eQuilt: \u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003eCoolFeel™ Cover provides immediate cooling comfort\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in;\" class=\"MsoNormal\"\u003e\u003cspan style=\"mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in;\" class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003eComfort Layers: \u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cspan style=\"mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003eCarbon Fiber Memory Foam with CoolFeel™ Plus System helps channel heat away\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003eNXG™ Memory Foam delivers adaptive contouring pressure relief\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003eDeep Reaction® Max Memory Foam enhances responsiveness\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin-bottom: 0in;\" class=\"MsoNormal\"\u003e\u003cspan style=\"mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in;\" class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003eSupport System: \u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003e1000 Series 5-Zone Coil Support System with BestEdge® Support for targeted back support and reinforced edges\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in;\" class=\"MsoNormal\"\u003e\u003cspan style=\"mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in;\" class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003eWarranty: \u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003e10-Year Limited Warranty\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in;\" class=\"MsoNormal\"\u003e\u003cspan style=\"mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in;\" class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003eDimensions:\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"MsoNormal\"\u003e\n\u003cb\u003e\u003cspan style=\"mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003eTwin XL Size: \u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003e39\" W × 79.5\" L × 13.5\" H\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\n\u003cb style=\"font-size: 0.875rem;\"\u003e\u003cspan\u003eFull Size: \u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003e54\" W × 74.5\" L × 13.5\" H\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\n\u003cb style=\"font-size: 0.875rem;\"\u003e\u003cspan\u003eQueen Size: \u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003e60\" W × 79.5\" L × 13.5\" H\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\n\u003cb style=\"font-size: 0.875rem;\"\u003e\u003cspan\u003eSplit Head Queen Size: \u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003e60\" W × 79.5\" L × 13.5\" H\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\n\u003cb style=\"font-size: 0.875rem;\"\u003e\u003cspan\u003eKing Size: \u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003e76\" W × 79.5\" L × 13.5\" H\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\n\u003cb style=\"font-size: 0.875rem;\"\u003e\u003cspan\u003eSplit Head King Size: \u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003e76\" W × 79.5\" L × 13.5\" H\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\n\u003cb style=\"font-size: 0.875rem;\"\u003e\u003cspan\u003eCalifornia King Size: \u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003e72\" W × 83.5\" L × 13.5\" H\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eRecommended Foundation:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca style=\"font-size: 0.875rem;\" href=\"https:\/\/www.citymattress.com\/products\/rio-2-0-adjustable-bed-base?_pos=1\u0026amp;_psq=rio+2.0\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003eRio 2.0 Adjustable Bed Base | City Mattress\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.citymattress.com\/products\/naples-foundation?_pos=1\u0026amp;_psq=serta+naples+founation\u0026amp;_ss=e\u0026amp;_v=1.0\u0026amp;variant=42854937788469\"\u003eSerta Naples Foundation – City Mattress\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Serta","offers":[{"title":"Twin XL \/ No Foundation","offer_id":47847473742001,"sku":"ISER3500HY-TXLMM","price":2299.0,"currency_code":"USD","in_stock":true},{"title":"Full \/ No Foundation","offer_id":47847473774769,"sku":"ISER3500HY-FMM","price":2449.0,"currency_code":"USD","in_stock":true},{"title":"Queen \/ No Foundation","offer_id":47847473807537,"sku":"ISER3500HY-QMM","price":2599.0,"currency_code":"USD","in_stock":true},{"title":"Split-Head Queen \/ No Foundation","offer_id":47847473840305,"sku":"ISER3500HY-SPLH-QMM","price":3199.0,"currency_code":"USD","in_stock":true},{"title":"King \/ No Foundation","offer_id":47847473873073,"sku":"ISER3500HY-KMM","price":3299.0,"currency_code":"USD","in_stock":true},{"title":"Split-Head King \/ No Foundation","offer_id":47847473905841,"sku":"ISER3500HY-SPLH-KMM","price":3899.0,"currency_code":"USD","in_stock":true},{"title":"California King \/ No Foundation","offer_id":47847473938609,"sku":"ISER3500HY-CKMM","price":3299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/9095\/3137\/files\/serta-iseries-nxg-3500-hybrid-medium-mattress-by-serta-4404177.jpg?v=1786733175","url":"https:\/\/city-mattress-stg.myshopify.com\/products\/serta-iseries-nxg-3500-hybrid-medium-mattress","provider":"City Mattress Staging","version":"1.0","type":"link"}