{"title":"12 Inch Memory Foam","description":null,"products":[{"product_id":"12-inch-memory-foam-twin-mattress","title":"Sierra Sleep 12 Inch Memory Foam Mattress — Double the Foam","description":"\u003cp\u003eTwice the memory foam is the headline here — a full 2-inch contour layer, double what entry models carry, over a 10-inch firm support core. The result is a medium feel with real pressure relief: shoulders and hips settle in, the core holds the line, and the stretch knit cover keeps the surface breathing.\u003c\/p\u003e\u003cp\u003eTwin and California King bookend the size options — one for the hardest-working beds in the house, one for the longest — and both are adjustable-base compatible.\u003c\/p\u003e\u003cp\u003eOcean City and Egg Harbor Township sleepers can press the difference between one inch of foam and two at The Mattress Store inside our Northfield showroom.\u003c\/p\u003e\n\u003c!--kf-qa-start--\u003e\n\u003cdiv class=\"kf-qa\"\u003e\n\u003ch3\u003eQuestions \u0026amp; Answers\u003c\/h3\u003e\n\u003cdetails\u003e\u003csummary\u003eHow does the 12-inch Memory Foam feel?\u003c\/summary\u003e\u003cp\u003eA true medium — the 2-inch contour layer gives real pressure relief while the 10-inch core keeps support steady.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat sizes and prices does it come in?\u003c\/summary\u003e\u003cp\u003eTwin $419.99, California King $749.99.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat does doubling the foam layer change?\u003c\/summary\u003e\u003cp\u003eDeeper contour at the pressure points — the difference between foam you notice and foam that just softens the quilt.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes it work with an adjustable base?\u003c\/summary\u003e\u003cp\u003eYes — the all-foam build flexes cleanly with head and foot elevation.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat warranty applies?\u003c\/summary\u003e\u003cp\u003eSierra Sleep's 10-year non-prorated warranty — ask our team for the details when you order.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c!--kf-qa-end--\u003e\n\u003c!--kf-faq-start--\u003e\n\u003cdiv class=\"kf-faq\"\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdetails\u003e\u003csummary\u003eHow do I know which firmness is right for me?\u003c\/summary\u003e\u003cp\u003eSide sleepers usually do best with soft to medium feels, back and stomach sleepers with medium-firm to firm. The surest way is the 7-minute Dream Catcher pressure-mapping test at our Northfield showroom — it shows your pressure points on screen instead of guessing.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDo I need a box spring or foundation with this mattress?\u003c\/summary\u003e\u003cp\u003eMost modern mattresses need a solid, flat support — a foundation, platform bed, or adjustable base rather than an old-style box spring. Check the product details or ask our team what pairs correctly with this model.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat sizes does this come in?\u003c\/summary\u003e\u003cp\u003eThe size options on this page are the sizes we carry for this model — pick your size above. If you need a size you don't see, ask our team about special ordering.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I see this before I buy?\u003c\/summary\u003e\u003cp\u003eYou can see this piece or comparable pieces in our two-acre Northfield showroom at 200 Tilton Road — a 4th-generation family store serving South Jersey since 1912.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDo you deliver to the Shore towns?\u003c\/summary\u003e\u003cp\u003eYes — we deliver throughout South Jersey, from Atlantic City down to Cape May, including Ocean City, Avalon, and Wildwood. White-glove delivery is available (delivery fee applies), or you can pick up at the store.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c!--kf-faq-end--\u003e","brand":"Sierra Sleep® by Ashley","offers":[{"title":"Twin","offer_id":49926724059274,"sku":"M59311","price":419.99,"currency_code":"USD","in_stock":true},{"title":"California King","offer_id":49926724092042,"sku":"M59351","price":749.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0346\/3705\/files\/M59331-ANGLED-ALT-SW.jpg?v=1785054104"}],"url":"https:\/\/kensingtonfurniture.com\/collections\/12-inch-memory-foam.oembed","provider":"Kensington Furniture \u0026 Mattress","version":"1.0","type":"link"}