{"product_id":"extra-firm-king-mattress-12-inch-hybrid-mattress-365night-trial-support","title":"Extra Firm King Hybrid Mattress 12 Inch Gel Memory Foam Support","description":"\u003cdiv\u003e\n\u003cp\u003eThis 12-inch extra firm king hybrid mattress combines gel memory foam and a high-density pocket spring system to deliver targeted back and hip support. Designed for sleepers who prefer a sturdier surface, it features an 880-plus coil layer to maintain proper spinal alignment and reduce morning stiffness.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eHybrid Construction\u003c\/b\u003e: Combines premium foam layers with over 880 high-compression pocket springs for balanced cushioning and durable support.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eExtra Firm Comfort\u003c\/b\u003e: Engineered with an ultra-firm rating ideal for individuals seeking strong lumbar support and deep pressure relief.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSpinal Alignment\u003c\/b\u003e: Features a 7-zone support design that contours to shoulders and hips while elevating the lower back for optimal posture.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBreathable Cooling\u003c\/b\u003e: Uses an open coil structure and gel-infused foam to promote continuous airflow and prevent heat buildup during sleep.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMotion Isolation\u003c\/b\u003e: Independent pocketed coils absorb 83% of movement, creating a stable sleep surface that minimizes partner disturbances.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSkin-Friendly Surface\u003c\/b\u003e: Includes a quilted, soft-touch top cover that is gentle on the skin and adds a layer of plush comfort.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSafe Materials\u003c\/b\u003e: Meets strict low-VOC safety standards and is 100% fiberglass-free, ensuring a clean and healthy sleep environment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVersatile Base Compatibility\u003c\/b\u003e: Fits securely on platform beds, slatted frames, adjustable bases, or directly on the floor.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis king size mattress provides a restful night by combining firm structural support with adaptive cushioning. The reinforced coil system prevents unnatural sinking, while the cooling design keeps you comfortable in any sleep position. It is a practical choice for side, back, and combination sleepers looking to maintain proper posture and enjoy deep, uninterrupted rest.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Simmerlyhome","offers":[{"title":"Default Title","offer_id":48670641881329,"sku":"B0HD71636N","price":399.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0810\/4719\/1793\/files\/e56393298f2eb5db3148db83ad66fac6_8f399afa-3f25-4199-a15a-dda27f492f21.jpg?v=1788270788","url":"https:\/\/simmerlyhome.com\/products\/extra-firm-king-mattress-12-inch-hybrid-mattress-365night-trial-support","provider":"Simmerlyhome","version":"1.0","type":"link"}