Choose from available size options. Medium hybrid foam and innerspring mattress. 13-in. thick with latex foam, gel memory foam, and individual coils. 2-tone fabric cover. 2-in. gel infused memory foam dissipates heat. 1.5-in. supportive latex layer. Individually-wrapped steel coils isolate movement. 12-year manufacturer's warranty. For luxurious comfort, sleep on the Lucid 13 in. Prime Gel Latex Hybrid Mattress. This hybrid mattress offers support by individually wrapped steel coils topped by layers of quality memory foam and latex. It conforms to your body to relieve pressure points and provides abundant support. The mattress is offered in a choice of available sizes. To reduce your shipping fees and offer an easy way to get it through your door, it's compressed for shipping. Size: California King.