{"product_id":"rock-mattress-25cm","title":"Rock Mattress (25cm)","description":"\u003cp\u003e\u003cspan\u003eMade in Yorkshire by artisans means steadier support, longer-lasting structure, and a cleaner finish. Crafted with care so it feels right on day one—and stays that way night after night. 5 Year Warranty.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch1 class=\"p1\"\u003ePremium High Density Reflex Foam\u003c\/h1\u003e\n\u003cp\u003e\u003cspan\u003eMeet \u003c\/span\u003e\u003cstrong\u003eThe Rock\u003c\/strong\u003e\u003cspan\u003e: an \u003c\/span\u003e\u003cstrong\u003eextra-firm, supportive mattress\u003c\/strong\u003e\u003cspan\u003e built for sleepers who want a steadier feel, stronger spinal alignment, and a cleaner sleep surface. Crafted with \u003c\/span\u003e\u003cstrong\u003ehigh-density reflex foam\u003c\/strong\u003e\u003cspan\u003e to hold its shape night after night—without the sink.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003eBest for:\u003c\/b\u003e very firm preference \u0026amp; heavier bodyweights\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003eFeel:\u003c\/b\u003e ultra-stable, minimal give\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003eFirmness:\u003c\/b\u003e 8–10\/10\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cu\u003eKey Benefits:\u003c\/u\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtra-firm comfort\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor a stable, supported feel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-density reflex foam core\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003edesigned to retain shape and support\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpinal alignment focused\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor confident, level sleep\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnti-bacterial treatment\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor a fresher, more hygienic bed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreathable knitted cover\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor comfortable, everyday sleep\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cu\u003eWhy you'll love it:\u003c\/u\u003e\u003c\/h2\u003e\n\u003ch2\u003eUncompromising firmness. Proper support. Cleaner sleep.\u003c\/h2\u003e\n\u003cdiv\u003eThe Rock is made for those who know exactly what they want from a mattress: \u003cstrong\u003ea firmer surface that doesn’t give in\u003c\/strong\u003e, and support you can feel the moment you lie down.\u003c\/div\u003e\n\u003cdiv\u003eAt its heart is a \u003cstrong\u003epremium high-density reflex foam core\u003c\/strong\u003e—chosen for its resilience and structure—helping your mattress stay supportive over time. Finished with an \u003cstrong\u003eanti-bacterial treatment\u003c\/strong\u003e and a soft-touch \u003cstrong\u003eknitted fabric cover\u003c\/strong\u003e, it’s a practical, health-conscious choice for everyday comfort.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch2\u003ePerfect for\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFirm mattress lovers\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewho prefer a solid, supportive feel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBack and stomach sleepers\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewho want less sink and more stability\u003c\/li\u003e\n\u003cli\u003eAnyone prioritising\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003espinal alignment\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand a “level” sleep surface\u003c\/li\u003e\n\u003cli\u003eThose who value a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ecleaner, more hygienic\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esleep environment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eKey Feautures\u003c\/h2\u003e\n\u003ctable width=\"auto\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cdiv\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0970\/9692\/5509\/files\/mattress-anti-bacterial.png?v=1764337951\" alt=\"\"\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cdiv\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0970\/9692\/5509\/files\/mattress-summer-winter-sides.png?v=1764337951\" alt=\"\"\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0970\/9692\/5509\/files\/mattress-spinal-support.png?v=1764337952\" alt=\"\"\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cdiv\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0970\/9692\/5509\/files\/mattress-knitted-fabric.png?v=1764337951\"\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnti-bacterial protection\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– helps keep your sleep space fresher\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupportive reflex foam core\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– stable comfort that holds its shape\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKnitted fabric cover\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– soft feel with everyday breathability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e25cm depth\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– a substantial profile with a firm, supportive build\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch2\u003e\u003cu\u003eRock Mattress - Technical Specifications:\u003c\/u\u003e\u003c\/h2\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cdiv\u003eThe Carter \u0026amp; Lewis Rock Mattress is engineered to deliver a \u003cstrong\u003efirm, supportive sleep surface\u003c\/strong\u003e with a simple, purposeful build.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMattress height:\u003c\/strong\u003e 25cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupport core:\u003c\/strong\u003e High-density reflex foam\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCover:\u003c\/strong\u003e Knitted fabric\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeel:\u003c\/strong\u003e Extra firm \/ supportive\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesigned for:\u003c\/strong\u003e Stability, spinal alignment, hygiene-focused sleep\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch2\u003eReady for firmer, steadier sleep?\u003c\/h2\u003e\n\u003cdiv\u003eIf you’re looking for a mattress that feels \u003cstrong\u003esupportive, structured, and uncompromisingly firm\u003c\/strong\u003e, The Rock is made for you.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Nest \u0026 Best","offers":[{"title":"3Ft Single","offer_id":50600817688641,"sku":null,"price":480.0,"currency_code":"GBP","in_stock":true},{"title":"4Ft Small Double","offer_id":50600817721409,"sku":null,"price":640.0,"currency_code":"GBP","in_stock":true},{"title":"4Ft 6 Standard Double","offer_id":50600817754177,"sku":null,"price":640.0,"currency_code":"GBP","in_stock":true},{"title":"5Ft King Size","offer_id":50600817786945,"sku":null,"price":730.0,"currency_code":"GBP","in_stock":true},{"title":"6Ft Super King","offer_id":50600817819713,"sku":null,"price":840.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/9029\/5617\/files\/rock-mattress-optimised.webp?v=1790950660","url":"https:\/\/nestandbest.co.uk\/products\/rock-mattress-25cm","provider":"Nest \u0026 Best","version":"1.0","type":"link"}