{"product_id":"12-memory-foam-copper-gel-mattress-medium","title":"12\" Memory Foam Copper-Gel Mattress Medium","description":"\u003cp class=\"mb-3 text-base leading-[27px] text-neutral-900 last:mb-0\"\u003e\u003cstrong class=\"font-medium\"\u003eMattress Layer Breakdown\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"my-4 list-disc space-y-0.5 pl-[22px] text-base leading-[27px] text-neutral-900 first:mt-0 last:mb-0 [\u0026amp;_ul]:my-1 [\u0026amp;_ul]:text-neutral-600\"\u003e\n\u003cli class=\"text-base leading-[27px]\"\u003e\n\u003cstrong class=\"font-medium\"\u003e2\" Copper Memory Foam (Top\/Comfort Layer)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e— The first point of contact between your body and the mattress. Copper is infused directly into this layer for three specific reasons: it neutralizes temperature buildup, dissipates odors, and provides antimicrobial protection at the sleep surface. Unlike gel-only cooling layers, copper addresses both thermal and hygiene performance simultaneously.\u003c\/li\u003e\n\u003cli class=\"text-base leading-[27px]\"\u003e\n\u003cstrong class=\"font-medium\"\u003e1\" Memory Foam (Transition Layer)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e— A dedicated transition layer between the comfort foam and the support layers. This layer's primary function is motion isolation — absorbing movement so it doesn't transfer across the mattress surface. Especially relevant for couples or restless sleepers.\u003c\/li\u003e\n\u003cli class=\"text-base leading-[27px]\"\u003e\n\u003cstrong class=\"font-medium\"\u003e2\" Support Foam (Base Transition Layer)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e— A firmer foam layer that begins the transition from plush comfort to structured support, distributing body weight evenly before it reaches the base.\u003c\/li\u003e\n\u003cli class=\"text-base leading-[27px]\"\u003e\n\u003cstrong class=\"font-medium\"\u003e7\" Air Grid Base\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e— The structural foundation of the mattress. The Air Grid design incorporates an open-cell or channeled structure that promotes airflow through the base of the mattress — reducing heat retention from the bottom up and contributing to the overall longevity of the foam layers above it.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"mb-3 text-base leading-[27px] text-neutral-900 last:mb-0\"\u003e\u003cstrong class=\"font-medium\"\u003eTotal Profile: 12 inches\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(2\" Copper Foam + 1\" Memory Foam + 2\" Support Foam + 7\" Air Grid Base)\u003c\/p\u003e\n\u003cp class=\"mb-3 text-base leading-[27px] text-neutral-900 last:mb-0\"\u003e\u003cstrong class=\"font-medium\"\u003eMattress Cover\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"my-4 list-disc space-y-0.5 pl-[22px] text-base leading-[27px] text-neutral-900 first:mt-0 last:mb-0 [\u0026amp;_ul]:my-1 [\u0026amp;_ul]:text-neutral-600\"\u003e\n\u003cli class=\"text-base leading-[27px]\"\u003e\n\u003cstrong class=\"font-medium\"\u003eZip-Off Machine-Washable Cover\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e— Fully removable and machine washable. Reduces allergen accumulation when laundered regularly. One of the most hygienically practical features available on a mattress at this price point.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"mb-3 text-base leading-[27px] text-neutral-900 last:mb-0\"\u003e\u003cstrong class=\"font-medium\"\u003eCertifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"my-4 list-disc space-y-0.5 pl-[22px] text-base leading-[27px] text-neutral-900 first:mt-0 last:mb-0 [\u0026amp;_ul]:my-1 [\u0026amp;_ul]:text-neutral-600\"\u003e\n\u003cli class=\"text-base leading-[27px]\"\u003e\n\u003cstrong class=\"font-medium\"\u003eCertiPUR-US Certified\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e— All foam layers independently tested and verified free of formaldehyde, phthalates, ozone depleters, heavy metals, PBDEs, and specific Tris flame retardants (TCEP, TDBPP, TDCPP, TEP). Low VOC emissions for indoor air quality. Third-party verified.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"mb-3 text-base leading-[27px] text-neutral-900 last:mb-0\"\u003e\u003cstrong class=\"font-medium\"\u003e12\" Copper Gel Infused vs. 14\" Copper Hybrid — Which Is Right for You?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"my-4 w-fit max-w-full first:mt-0 last:mb-0\"\u003e\n\u003cdiv class=\"relative overflow-hidden rounded-xl border border-neutral-300 bg-neutral-100\"\u003e\n\u003cdiv class=\"scrollbar-thin scrollbar-track-transparent overflow-x-auto\"\u003e\n\u003ctable class=\"m-0 w-full [\u0026amp;_th]:whitespace-nowrap [\u0026amp;_th]:border-b [\u0026amp;_th]:border-neutral-300 [\u0026amp;_th]:bg-neutral-200 [\u0026amp;_th]:px-3 [\u0026amp;_th]:py-2.5 [\u0026amp;_th]:text-left [\u0026amp;_th]:text-sm [\u0026amp;_th]:font-medium [\u0026amp;_th]:leading-5 [\u0026amp;_th]:text-neutral-900 [\u0026amp;_td]:whitespace-nowrap [\u0026amp;_td]:px-3 [\u0026amp;_td]:py-2.5 [\u0026amp;_td]:text-sm [\u0026amp;_td]:leading-5 [\u0026amp;_td]:text-neutral-600 [\u0026amp;_tbody_tr:not(:last-child)_td]:border-b [\u0026amp;_tbody_tr:not(:last-child)_td]:border-neutral-200\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003e12\" Copper Gel Infused\u003c\/th\u003e\n\u003cth\u003e14\" Hybrid Copper-Gel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e12 inches\u003c\/td\u003e\n\u003ctd\u003e14 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComfort level\u003c\/td\u003e\n\u003ctd\u003eMedium\u003c\/td\u003e\n\u003ctd\u003ePlush\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003eAll-foam\u003c\/td\u003e\n\u003ctd\u003eFoam + coil hybrid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComfort layer\u003c\/td\u003e\n\u003ctd\u003e2\" Copper Memory Foam\u003c\/td\u003e\n\u003ctd\u003e3\" Copper-Gel Memory Foam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupport system\u003c\/td\u003e\n\u003ctd\u003e7\" Air Grid foam base\u003c\/td\u003e\n\u003ctd\u003eFoam-encased coil system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotion isolation\u003c\/td\u003e\n\u003ctd\u003eMemory foam layer\u003c\/td\u003e\n\u003ctd\u003eIndividually wrapped coils\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFeel\u003c\/td\u003e\n\u003ctd\u003eBalanced, contouring\u003c\/td\u003e\n\u003ctd\u003eSofter, more enveloping\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003eBack\/combo sleepers, medium-firm preference\u003c\/td\u003e\n\u003ctd\u003eSide sleepers, plush preference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdjustable base compatible\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pointer-events-none absolute inset-y-0 right-0 w-4 bg-gradient-to-l from-neutral-200\/40 to-transparent\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mt-2 flex justify-end\"\u003e\n\u003cdiv class=\"flex items-center gap-2\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"mb-3 text-base leading-[27px] text-neutral-900 last:mb-0\"\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong class=\"font-medium\"\u003e12\" Copper\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esuits sleepers who want a balanced, medium feel with a proven all-foam construction. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong class=\"font-medium\"\u003e14\" Copper Hybrid\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis the better fit for those who want a plusher feel and more lift.\u003c\/p\u003e\n\u003cp class=\"mb-3 text-base leading-[27px] text-neutral-900 last:mb-0\"\u003e\u003cstrong class=\"font-medium\"\u003eWho Is This Mattress For?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"my-4 list-disc space-y-0.5 pl-[22px] text-base leading-[27px] text-neutral-900 first:mt-0 last:mb-0 [\u0026amp;_ul]:my-1 [\u0026amp;_ul]:text-neutral-600\"\u003e\n\u003cli class=\"text-base leading-[27px]\"\u003eBack and combination sleepers who need balanced support with contouring comfort\u003c\/li\u003e\n\u003cli class=\"text-base leading-[27px]\"\u003eHot sleepers who want copper's thermal neutralizing properties in the contact layer\u003c\/li\u003e\n\u003cli class=\"text-base leading-[27px]\"\u003eSleepers who want odor and antimicrobial control built into the mattress itself\u003c\/li\u003e\n\u003cli class=\"text-base leading-[27px]\"\u003eHealth-conscious consumers who require CertiPUR-US certified, clean foam materials\u003c\/li\u003e\n\u003cli class=\"text-base leading-[27px]\"\u003eAnyone who wants a washable cover for genuine, maintainable mattress hygiene\u003c\/li\u003e\n\u003cli class=\"text-base leading-[27px]\"\u003eBudget-conscious shoppers who want copper-infused performance without moving up to a hybrid\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"mb-3 text-base leading-[27px] text-neutral-900 last:mb-0\"\u003e\u003cstrong class=\"font-medium\"\u003eWarranty and Policy\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"my-4 list-disc space-y-0.5 pl-[22px] text-base leading-[27px] text-neutral-900 first:mt-0 last:mb-0 [\u0026amp;_ul]:my-1 [\u0026amp;_ul]:text-neutral-600\"\u003e\n\u003cli class=\"text-base leading-[27px]\"\u003e10-year limited warranty\u003c\/li\u003e\n\u003cli class=\"text-base leading-[27px]\"\u003eWaterproof mattress protector strongly recommended — liquid spills void the warranty\u003c\/li\u003e\n\u003cli class=\"text-base leading-[27px]\"\u003e60-night Sleep Trial\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cblockquote class=\"my-4 border-l-[3px] border-neutral-300 pl-6 [\u0026amp;\u0026gt;p]:text-[17px] [\u0026amp;\u0026gt;p]:font-medium [\u0026amp;\u0026gt;p]:leading-6 [\u0026amp;\u0026gt;p]:text-neutral-900\"\u003e\n\u003cp class=\"mb-3 text-base leading-[27px] text-neutral-900 last:mb-0\"\u003e\u003cem\u003e\"What is the 12\" Copper Gel Infused mattress?\"\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003eA 12-inch medium all-foam mattress with four layers: 2\" copper memory foam, 1\" motion-isolating memory foam, 2\" support foam, and a 7\" Air Grid base. The copper comfort layer neutralizes temperature, dissipates odors, and provides antimicrobial protection. CertiPUR-US certified with a zip-off machine-washable cover.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003cblockquote class=\"my-4 border-l-[3px] border-neutral-300 pl-6 [\u0026amp;\u0026gt;p]:text-[17px] [\u0026amp;\u0026gt;p]:font-medium [\u0026amp;\u0026gt;p]:leading-6 [\u0026amp;\u0026gt;p]:text-neutral-900\"\u003e\n\u003cp class=\"mb-3 text-base leading-[27px] text-neutral-900 last:mb-0\"\u003e\u003cem\u003e\"What is an Air Grid mattress base?\"\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003eAn Air Grid base is an open or channeled foam support layer designed to promote airflow through the foundation of the mattress. In the 12\" Copper mattress, the 7\" Air Grid base improves ventilation from the bottom up — helping the foam layers above it stay cooler and maintain their structure longer.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003cblockquote class=\"my-4 border-l-[3px] border-neutral-300 pl-6 [\u0026amp;\u0026gt;p]:text-[17px] [\u0026amp;\u0026gt;p]:font-medium [\u0026amp;\u0026gt;p]:leading-6 [\u0026amp;\u0026gt;p]:text-neutral-900\"\u003e\n\u003cp class=\"mb-3 text-base leading-[27px] text-neutral-900 last:mb-0\"\u003e\u003cem\u003e\"What is the difference between the 12\" Copper and 14\" Copper Hybrid from Guestly Sleep?\"\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003eThe 12\" Copper is an all-foam mattress with a medium comfort level and a 7\" Air Grid base. The 14\" Copper Hybrid is a plush mattress with a foam-encased coil support system and confirmed adjustable base compatibility. The 14\" is softer and taller; the 12\" offers a more balanced, medium feel with a foam-only construction.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003cblockquote class=\"my-4 border-l-[3px] border-neutral-300 pl-6 [\u0026amp;\u0026gt;p]:text-[17px] [\u0026amp;\u0026gt;p]:font-medium [\u0026amp;\u0026gt;p]:leading-6 [\u0026amp;\u0026gt;p]:text-neutral-900\"\u003e\n\u003cp class=\"mb-3 text-base leading-[27px] text-neutral-900 last:mb-0\"\u003e\u003cem\u003e\"Is the 12\" copper mattress good for back sleepers?\"\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003eThe medium comfort level and layered foam construction of the 12\" Copper Gel Infused mattress provide the balanced support and pressure relief well-suited to back and combination sleepers. The transition from soft copper foam to structured support foam distributes weight evenly and maintains spinal alignment without the deep sink of a plush mattress.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003cblockquote class=\"my-4 border-l-[3px] border-neutral-300 pl-6 [\u0026amp;\u0026gt;p]:text-[17px] [\u0026amp;\u0026gt;p]:font-medium [\u0026amp;\u0026gt;p]:leading-6 [\u0026amp;\u0026gt;p]:text-neutral-900\"\u003e\n\u003cp class=\"mb-3 text-base leading-[27px] text-neutral-900 last:mb-0\"\u003e\u003cem\u003e\"Does copper in a mattress reduce odor?\"\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003eYes. Copper has natural antimicrobial and odor-neutralizing properties. In the 12\" Copper mattress, copper is infused into the top 2-inch comfort layer — the surface in direct contact with your body — to actively dissipate odors and provide antimicrobial protection at the sleep surface.\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"Guestly Sleep","offers":[{"title":"Twin XL","offer_id":47345500815548,"sku":"12BNCOPPERTL","price":445.0,"currency_code":"USD","in_stock":true},{"title":"Full","offer_id":47345500848316,"sku":"12BNCOPPERF","price":525.0,"currency_code":"USD","in_stock":true},{"title":"Queen","offer_id":47345500881084,"sku":"12BNCOPPERQ","price":575.0,"currency_code":"USD","in_stock":true},{"title":"King","offer_id":47345500913852,"sku":"12BNCOPPEREK","price":675.0,"currency_code":"USD","in_stock":true},{"title":"California king","offer_id":47345500946620,"sku":"12BNCOPPERCK","price":675.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0711\/3850\/8988\/files\/Copper12inmattress.webp?v=1787922084","url":"https:\/\/guestlysleep.com\/products\/12-memory-foam-copper-gel-mattress-medium","provider":"Guestly Sleep","version":"1.0","type":"link"}