Discover supportive sleep when resting on multiple layers of comfort found in the 13-Inch Firm Hybrid Mattress from Snooze. The 1.5-inch top layer of gel AeroFusion memory foam is combined with 1.5-inches of Flex Foam that cradles your body to ease pressure points and provide firm support. A 1-inch layer of Flex Comfort Foam sits atop 8-inches of zoned pocketed innersprings encased in Flex foam for total body support. The 1-inch base layer of Flex support foam provides long-lasting durability for years to come. Included is a luxurious cover made from durable double jacquard knit Ice fabric to offer enhanced cooling and softness, while the non-skid bottom fabric helps keep the mattress in place atop your bed frame. Simply remove the compressed mattress from the packaging, unroll and lay on a flat surface, wait 48 hours to allow the mattress to fully expand and release trapped odors, then relax on your new comfortable mattress. The odor free memory foam meets CertiPUR-US standards for content, emissions, and durability for long lasting comfort. This mattress is intended to be used without a foundation.