{"product_id":"serta-iseries-nxg-4500-all-foam-ultra-plush-mattress","title":"Serta iSeries NXG 4500 All-Foam Ultra Plush Mattress","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eUltra-plush comfort. Deep pressure relief. Elevated cooling.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eThe Serta iSeries NXG 4500 All-Foam Ultra Plush mattress is designed for sleepers who want maximum softness and pressure relief without sacrificing supportive stability. Its ultra plush feel allows the body to gently sink in, cradling the shoulders and hips to relieve pressure—making it especially beneficial for side sleepers and those with sensitive joints. This deep contouring helps reduce tension and promotes a more relaxed, restorative sleep experience.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eAdvanced cooling layers work together to regulate temperature and prevent heat buildup, helping you stay comfortable throughout the night. Beneath the plush comfort layers, a supportive foam core provides consistent alignment and stability, ensuring the mattress remains supportive despite its soft feel. Motion-isolating foam construction also minimizes sleep disruptions, creating a calm, uninterrupted sleep environment.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eBest for side sleepers and plush-comfort lovers\u003c\/b\u003e who prefer deep cushioning, pressure relief, and cooling comfort with reliable underlying support.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e \u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0in;\"\u003e\u003cb\u003eComfort Level:\u003c\/b\u003e Ultra Plush\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0in; tab-stops: list .5in;\"\u003e\u003cb\u003eMade in the USA\u003c\/b\u003e with Global Components\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0in; tab-stops: list .5in;\"\u003e\u003cb\u003eMattress Type:\u003c\/b\u003e All-Foam Mattress\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0in; tab-stops: list .5in;\"\u003e\u003cb\u003eSleep Style: \u003c\/b\u003eSide Sleepers\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0in; tab-stops: list .5in;\"\u003e\u003cb\u003eAdjustable Base Compatible:\u003c\/b\u003e Yes\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0in; tab-stops: list .5in;\"\u003e\u003cb\u003eBenefits:\u003c\/b\u003e Maximum pressure relief, cooling comfort, motion isolation\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0in; tab-stops: list .5in;\"\u003e \u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0in; tab-stops: list .5in;\"\u003e\u003cb\u003eSustainability:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"MsoNormal\"\u003eCertiPUR-US® Certified Foams – Made without harmful chemicals and tested for low emissions.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003eDurable, High-Density Foams – Engineered for long-term comfort and support.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003eMade in the USA with Global Components\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0in; tab-stops: list .5in;\"\u003e \u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0in; tab-stops: list .5in;\"\u003e\u003cb\u003eQuilt: \u003c\/b\u003eCoolFeel™ Cover delivers an immediately cool sleep surface\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0in; tab-stops: list .5in;\"\u003e \u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0in; tab-stops: list .5in;\"\u003e\u003cb\u003eComfort Layers:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"MsoNormal\"\u003eCarbon Fiber Memory Foam with CoolFeel™ Plus System provides cooling contouring\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003eEverCool® Supreme Memory Foam with Total Edge® Support delivers deep cushioning\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003eNXG™ Memory Foam enhances pressure relief\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003eEverCool® Fuze Gel Foam promotes airflow and temperature regulation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0in; tab-stops: list .5in;\"\u003e \u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\u003cb\u003eSupport System: \u003c\/b\u003eHigh-density foam core with Ultimate Edge™ Support for edge-to-edge stability\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e \u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\u003cb\u003eWarranty: \u003c\/b\u003e10-Year Limited Warranty\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e \u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e \u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0in; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\u003cb\u003eDimensions: \u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"MsoNormal\"\u003e\n\u003cb\u003eTwin XL Size:\u003c\/b\u003e 39\" W × 79.5\" L × 13.5\" H\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\n\u003cb style=\"font-size: 0.875rem;\"\u003eFull Size:\u003c\/b\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e 54\" 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;\"\u003eQueen Size:\u003c\/b\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e 60\" 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;\"\u003eSplit Head Queen Size: \u003c\/b\u003e\u003cspan style=\"font-size: 0.875rem;\"\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;\"\u003eKing Size:\u003c\/b\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e 76\" 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;\"\u003eSplit Head King Size:\u003c\/b\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e 76\" W × 79.5\" L × 13.5\"\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eCalifornia King Size:\u003c\/strong\u003e 72\" W × 83.5\" L × 13.5\"\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\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\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003ca 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\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003ca href=\"https:\/\/www.citymattress.com\/products\/naples-foundation?_pos=1\u0026amp;_sid=0c4058a1f\u0026amp;_ss=r\u0026amp;variant=42854937788469\"\u003eSerta Naples Foundation – City Mattress\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Serta","offers":[{"title":"Twin XL \/ No Foundation","offer_id":47847472267441,"sku":"ISER4500-TXLPLM","price":2499.0,"currency_code":"USD","in_stock":true},{"title":"Full \/ No Foundation","offer_id":47847472300209,"sku":"ISER4500-FPLM","price":2649.0,"currency_code":"USD","in_stock":true},{"title":"Queen \/ No Foundation","offer_id":47847472332977,"sku":"ISER4500-QPLM","price":2799.0,"currency_code":"USD","in_stock":true},{"title":"Split-Head Queen \/ No Foundation","offer_id":47847472365745,"sku":"ISER4500-SPLH-QPLM","price":3399.0,"currency_code":"USD","in_stock":true},{"title":"King \/ No Foundation","offer_id":47847472398513,"sku":"ISER4500-KPLM","price":3499.0,"currency_code":"USD","in_stock":true},{"title":"Split-Head King \/ No Foundation","offer_id":47847472431281,"sku":"ISER4500-SPLH-KPLM","price":4099.0,"currency_code":"USD","in_stock":true},{"title":"California King \/ No Foundation","offer_id":47847472464049,"sku":"ISER4500-CKPLM","price":3499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/9095\/3137\/files\/serta-iseries-nxg-4500-all-foam-ultra-plush-mattress-by-serta-6917897.jpg?v=1786733153","url":"https:\/\/city-mattress-stg.myshopify.com\/products\/serta-iseries-nxg-4500-all-foam-ultra-plush-mattress","provider":"City Mattress Staging","version":"1.0","type":"link"}