{"product_id":"serta-perfect-sleeper-x-quilted-hybrid-knox-firm-13-5-inch-mattress","title":"Serta Perfect Sleeper X Quilted Hybrid Knox Firm 13.5 Inch Mattress","description":"\u003cp dir=\"ltr\"\u003e\u003cspan\u003eTo begin with, the \u003c\/span\u003e\u003cspan\u003eSerta 13.5-inch hybrid queen\u003c\/span\u003e\u003cspan\u003e or king welcomes you with a cool-touch quilt that stays fresh to the skin. Next, layers of graphite memory foam and \u003c\/span\u003e\u003cspan\u003eCool Twist® Gel Memory Foam\u003c\/span\u003e\u003cspan\u003e redistribute heat, giving you \u003c\/span\u003e\u003cspan\u003ecool-to-the-touch comfort\u003c\/span\u003e\u003cspan\u003e even in warmer rooms. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eBeneath the quilt, plush yet firm transition foams pair with a five-zone coil band to create \u003c\/span\u003e\u003cspan\u003etargeted spinal alignment\u003c\/span\u003e\u003cspan\u003e that many owners call the \u003c\/span\u003e\u003cspan\u003ebest 13.5-inch firm mattress for back pain\u003c\/span\u003e\u003cspan\u003e. Deeper down, 920-count \u003c\/span\u003e\u003cspan\u003eindividually wrapped coils\u003c\/span\u003e\u003cspan\u003e supply dynamic push-back and minimize partner motion, turning this bed into a true \u003c\/span\u003e\u003cspan\u003eSerta hybrid mattress with pocketed coils\u003c\/span\u003e\u003cspan\u003e for \u003c\/span\u003e\u003cspan\u003eundisturbed sleep for couples\u003c\/span\u003e\u003cspan\u003e. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eFinally, you can \u003c\/span\u003e\u003cspan\u003ebuy Serta Knox Firm online\u003c\/span\u003e\u003cspan\u003e today, enjoy \u003c\/span\u003e\u003cspan\u003efree shipping in the USA\u003c\/span\u003e\u003cspan\u003e and quick 1–2 week delivery, and lock in a hefty discount while stock lasts.\u003c\/span\u003e\u003c\/p\u003e","brand":"Serta","offers":[{"title":"TwinXL","offer_id":48009268920564,"sku":"500100491","price":899.0,"currency_code":"USD","in_stock":true},{"title":"Full","offer_id":48009268953332,"sku":"500100491","price":1049.0,"currency_code":"USD","in_stock":true},{"title":"Queen","offer_id":48009268986100,"sku":"500100491","price":1199.0,"currency_code":"USD","in_stock":true},{"title":"King","offer_id":48009269018868,"sku":"500100491","price":1899.0,"currency_code":"USD","in_stock":true},{"title":"California King","offer_id":48009269051636,"sku":"500100491","price":1899.0,"currency_code":"USD","in_stock":true},{"title":"Split King","offer_id":48009269084404,"sku":"500100491","price":1798.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0607\/7939\/7364\/files\/01_b5bb60a0-39d5-464f-ade6-059494b46105.webp?v=1780478439","url":"https:\/\/cloudymattress.com\/products\/serta-perfect-sleeper-x-quilted-hybrid-knox-firm-13-5-inch-mattress","provider":"Cloudy Mattress","version":"1.0","type":"link"}