{"product_id":"english-elm-restonic-firm-hybrid-mattress-13-inch-pocketed-coil-lumbar-support-cooling-foam","title":"Restonic Firm Hybrid Mattress 13 Inch Pocketed Coil Lumbar Support Cooling Foam","description":"\u003cp\u003eA firm sleep surface built with genuine engineering depth, this 13-inch hybrid from Restonic layers multiple foam technologies over a high-count coil system to deliver targeted support and active temperature regulation. The reinforced center-third construction addresses lumbar alignment directly, making it a strong choice for back sleepers and anyone who finds softer mattresses leave them waking stiff. \u003c\/p\u003e\u003cul\u003e \u003cli\u003eW 39 x L 80 x H 13 inches; Twin Extra Long profile fits standard XL bed frames and adjustable bases\u003c\/li\u003e \u003cli\u003e700 individually wrapped pocketed coils with 360° SuperEdge reinforced perimeter for full-surface support and reduced edge roll-off\u003c\/li\u003e \u003cli\u003eExclusive Marvelous Middle® center-third reinforcement delivers 25% more lumbar support and minimizes motion transfer across the sleep surface\u003c\/li\u003e \u003cli\u003eDual cooling technology with phase change material actively absorbs and releases body heat to regulate sleep temperature throughout the night\u003c\/li\u003e \u003cli\u003eHD CoolFlow high-density foam comfort layer promotes airflow and provides pressure relief while maintaining a firm, non-sinking feel\u003c\/li\u003e \u003cli\u003eDuraLast support foam base layer adds long-term resilience, helping the mattress retain its shape and consistent support over years of use\u003c\/li\u003e \u003cli\u003eCoolFlow Plush responsive top layer cradles the body and encourages surface-level airflow for added comfort without softening the overall feel\u003c\/li\u003e \u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRestonic 13” Firm Mattress – Advanced Cooling \u0026amp; Deep Support for Restorative Sleep'\u003c\/li\u003e\n\u003cli\u003e'Designed for those who prefer a firm, supportive sleep surface with advanced cooling technology, the Restonic 13” Firm Mattress delivers durability, targeted support, and temperature regulation for a consistently refreshing night’s sleep.'\u003c\/li\u003e\n\u003cli\u003e'Dual Cooling Technology with Phase Change Material – Actively absorbs and releases heat to maintain a comfortable sleep temperature throughout the night.'\u003c\/li\u003e\n\u003cli\u003e'HD CoolFlow Foam – A high-density, breathable comfort layer that enhances cooling and provides superior pressure relief without sacrificing firm support.'\u003c\/li\u003e\n\u003cli\u003e'CoolFlow Plush Foam – A responsive top layer that promotes airflow and cradles your body for an extra touch of comfort.'\u003c\/li\u003e\n\u003cli\u003e'DuraLast Support Foam – Adds long-lasting resilience and durability, ensuring your mattress maintains its shape and support over time.'\u003c\/li\u003e\n\u003cli\u003e'CoolFlow Medium Foam provides balanced contouring and pressure relief, offering a perfect blend of cushioning comfort and responsive support for a more restful sleep.'\u003c\/li\u003e\n\u003cli\u003e'Exclusive Marvelous Middle® – Reinforced center-third support provides 25% more lumbar support, reducing motion transfer between partners for uninterrupted rest.'\u003c\/li\u003e\n\u003cli\u003e'700 Individually Wrapped Coil System with 360° SuperEdge – A higher coil count enhances responsiveness, while the reinforced perimeter maximizes your sleep surface and prevents edge roll-off.'\u003c\/li\u003e\n\u003cli\u003e'At 13” tall, the Restonic Firm Mattress is engineered for long-lasting support, cooling comfort, and a firm feel—helping you wake up refreshed and ready to take on the day.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003csmall\u003eNote: Product descriptions may reference specific features of \u003cstrong\u003eB123P299671-GIGA\u003c\/strong\u003e. You will receive the exact product according to the options (color, size, material, shape, etc.) you select on this page.\u003c\/small\u003e","brand":"English Elm","offers":[{"title":"Default Title","offer_id":49926210519207,"sku":"B123P299671-GIGA","price":535.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0312\/6968\/3245\/files\/1ff9926ed0e0e822a20a9327725f7cd1_c3628b39-dd84-4960-af36-311ac2203187.jpg?v=1778947340","url":"https:\/\/englishelm.com\/products\/english-elm-restonic-firm-hybrid-mattress-13-inch-pocketed-coil-lumbar-support-cooling-foam","provider":"English Elm","version":"1.0","type":"link"}