Serta Q10 Medium Mattress (California King)

Featuring select materials that are up to 70% sustainable, this supportive mattress offers a hybrid construction with a classic, quiltded-top feel- with upgrades available for even more cooling, comfort, and pressure relief. The Q10 Medium mattress by Serta iComfort Eco Hybrid features the CoolTemp™ cover powered by Repreve® for a cool-to-the-touch and breathable feel, the TerraFusion™ Memory Foam made from 28% plant-based material that provides pressure relief and reduced motion transfer, a layer of EverCool® Fuze Gel Memory Foam that cradles and cools you in a pressure-relieving embrace, and the 5-zoned quad Coil Support System made with 85% recycled steel to provide targeted pressure relief and support for your back and thighs.