Meet Avenco 12-inch hybrid mattress. This pocket coil full-size mattress is a four-layer structure that maintains spinal health. The high-resilience memory foam mattress also helps you maintain a proper sleeping position and distributes your weight from head to toe evenly throughout the mattress. The gel-infused full-size mattress with an open cell of gel memory foam provides excellent breadth and all-night cooling. Finished with a warp knitting fabric cover, this luxurious firm mattress full is compressed and smartly delivered in a box for a convenient setup.