{"product_id":"perfect-sleeper-ultimate-12-king-mattress-extra-firm","title":"Extra Firm King Mattress 12 Inch Memory Foam Cooling Cover","description":"\u003cdiv\u003e\n\u003cp\u003eThis ultimate 12-inch extra firm king mattress features a dark blue quilted cover and is designed to deliver consistent, restful sleep for back, side, and stomach sleepers. Featuring zoned support, cooling gel memory foam, and a breathable surface, it provides targeted comfort while regulating temperature all night.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003e12-Inch Construction:\u003c\/b\u003e The mattress is 12 inches thick, offering a substantial profile that pairs well with most bed frames, including platform, slatted, and adjustable bases.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eExtra Firm Support:\u003c\/b\u003e Engineered with a king firm comfort level, it is ideal for sleepers seeking maximum back support and strong mattress stability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBestEdge Foam Technology:\u003c\/b\u003e An extra-deep foam rail encases the perimeter to reduce edge roll-off and maximize the usable sleep surface across the entire bed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eZoned Coil System:\u003c\/b\u003e A high-density coil system provides targeted support zones specifically designed for the lower back and hips, paired with cradled comfort elsewhere.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCool Twist Gel Memory Foam:\u003c\/b\u003e Premium memory foam blended with cooling gel enhances airflow and heat dissipation for a cool, contouring sleep experience.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePillowSoft Aire Foam:\u003c\/b\u003e A gently rippling soft foam layer adds enhanced cushioning while promoting continuous airflow through the mattress body.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCooling Quilted Cover:\u003c\/b\u003e A dark blue quilted cover adds a refined look to your bedroom while working with internal layers to help maintain a comfortable sleep temperature for hot sleepers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eUniversal Compatibility:\u003c\/b\u003e This king size bed seamlessly integrates with traditional frames, box springs, bunky boards, and adjustable frames for easy setup.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThe reinforced edges ensure you can sleep comfortably anywhere on the bed, while the zoned support keeps your spine aligned. The breathable memory foam and airflow-promoting layers help hot sleepers maintain an optimal temperature throughout the night for uninterrupted rest.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Simmerlyhome","offers":[{"title":"12\" Extra Firm \/ King","offer_id":48670651187441,"sku":"B0D1T4LGVS","price":1658.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0810\/4719\/1793\/files\/1a1ada4f9fec492d16af98c488f58436.jpg?v=1788271029","url":"https:\/\/simmerlyhome.com\/products\/perfect-sleeper-ultimate-12-king-mattress-extra-firm","provider":"Simmerlyhome","version":"1.0","type":"link"}