Full Mattress, 10 Inch Memory Foam Mattress in a Box, Individual Pocket Spring Mattress with Motion Isolation and Pressure Relief, Medium Firm, Certipur-UsSF is dedicated to providing customers with the ultimate sleep experience. Our hybrid mattress combines the best of both worlds : the comfort of memory foam and the support of innerspring coils. The top layer of the hybrid mattress is made with high quality memory foam that conforms to your body's natural curves, providing unparalleled comfort and pressure relief. Beneath the memory foam layer, there are individually wrapped innerspring coils that