Classic Brands Engage Gel Memory Foam and Innerspring Hybrid 11-Inch Mattress, Twin XL The 11-inch profile Engage hybrid memory foam and wrapped-coil innerspring mattress is the newest technology in bedding, combining the support of traditional innerspring with the conforming response of memory foam for the ultimate sleeping experience Beautifully detailed knit cover with four way stretch top and decorative border works with the memory foam to optimize its conforming properties Gel-infused memory foam draws heat away from your body and regulates temperature while you sleep so you can wake up feeling refreshed; wrapped-coil innerspring system move independently and reduce the sensation of movement providing an undisturbed night of rest High-quality memory foam and pressure relieving gel memory foam are naturally hypoallergenic and resistant to allergens, mold, bacteria, and dust mites and it meets CertiPUR-US program standards for performance, emissions, and durability Medium cushion-firm feel Mattress ships compressed, rolled and shipped in a box conveniently delivered to your door for easy set-up; frame/foundation/base not included 5 Star Customer Service; Available 7 days a week