Choose from available size options. Medium hybrid foam and innerspring mattress. 11-in. thick with latex foam, gel memory foam, and individual coils. 2-tone fabric cover. 5 layers of memory foam and latex. Individually-wrapped steel coils isolate movement. 12-year manufacturer's warranty. For the best of both worlds and a deep, restful sleep, choose the Lucid 11 in. Energy Latex Hybrid Mattress. This luxurious hybrid mattress offers support by individually wrapped steel coils topped by layers of memory foam and latex. It dissipates heat, alleviates pressure points, and provides plenty of support. This mattress is offered in your choice of available sizes. To reduce your shipping fees and offer an easy way to get it through your door, this mattress comes tightly compressed. Size: King.