{"product_id":"mancinis-sleepworld-granite-bay-firm-mattress-13","title":"Mancini's Sleepworld Granite Bay Firm Mattress 13\"","description":"\u003cp\u003eThe Mancini's Sleepworld Granite Bay Firm Mattress 13\" is a firm mattress built for the back sleeper who needs a firm mattress for back pain relief without waking up on something that feels punishing. At 13 inches tall, it carries a serious support stack while keeping the sleeping surface genuinely comfortable.\u003c\/p\u003e\n\u003ch3\u003eWhy this Mattress?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFirm back pain relief without sacrificing surface comfort\u003c\/li\u003e\n\u003cli\u003e\"Cold\" stretch knit cover pulls heat away while you sleep\u003c\/li\u003e\n\u003cli\u003eGraphite, Copper and Titanium memory foam layers work together\u003c\/li\u003e\n\u003cli\u003eSpine stays lifted and neutral through the night\u003c\/li\u003e\n\u003cli\u003eDense base foam holds its shape season after season\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eComfort and feel:\u003c\/strong\u003e Firm feel with a cool memory foam surface that cradles without sinking.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBest sleep match:\u003c\/strong\u003e Back and stomach sleepers. Keeps the hips from dipping so the lumbar stops taking the hit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBest for:\u003c\/strong\u003e Sleepers who need consistent spinal support, run warm through the night, or wake up stiff from a mattress that has lost its shape.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eConstruction:\u003c\/strong\u003e Super heavy weight \"Cold\" stretch knit cover over ultra high density memory foam layers infused with Graphite, Copper and Titanium, a transition layer, and a super high density base foam.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSetup and compatibility:\u003c\/strong\u003e Compatible with an adjustable base, platform frame or box spring. Delivered flat.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNot a fit for:\u003c\/strong\u003e Sleepers who prefer a plush surface, or dedicated side sleepers who need deep hip and shoulder give.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eType: Foam\u003c\/li\u003e\n\u003cli\u003eFirmness: Firm\u003c\/li\u003e\n\u003cli\u003eHeight: 13\"\u003c\/li\u003e\n\u003cli\u003eCover: Polyethylene \u0026amp; Poly Blend\u003c\/li\u003e\n\u003cli\u003eQuilting: Smooth Top\u003c\/li\u003e\n\u003cli\u003eComfort: 1\" Titanium Memory Foam, 2\" Titanium Memory Foam\u003c\/li\u003e\n\u003cli\u003eSupport: 2\" Transition Foam over 8\" H.D. Base Foam\u003c\/li\u003e\n\u003cli\u003eAdjustable base compatible: Yes\u003c\/li\u003e\n\u003cli\u003eMotion separation: Yes\u003c\/li\u003e\n\u003cli\u003eWarranty: 10 Year\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mancini's Sleepworld","offers":[{"title":"Twin","offer_id":46367620694195,"sku":null,"price":1299.99,"currency_code":"USD","in_stock":true},{"title":"Twin XL","offer_id":46367620726963,"sku":null,"price":1399.99,"currency_code":"USD","in_stock":true},{"title":"Full","offer_id":46367620759731,"sku":null,"price":1499.99,"currency_code":"USD","in_stock":true},{"title":"Queen","offer_id":46367620792499,"sku":null,"price":1599.99,"currency_code":"USD","in_stock":true},{"title":"King","offer_id":46367620825267,"sku":null,"price":1899.99,"currency_code":"USD","in_stock":true},{"title":"Cal King","offer_id":46367620858035,"sku":null,"price":1899.99,"currency_code":"USD","in_stock":true},{"title":"Split Cal King","offer_id":46367620890803,"sku":null,"price":1399.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0704\/3471\/7875\/files\/BRK-GRA-3M-FM-25_1.jpg?v=1793763430","url":"https:\/\/christiansmattress.com\/products\/mancinis-sleepworld-granite-bay-firm-mattress-13","provider":"Christian’s Mattress Xpress","version":"1.0","type":"link"}