Comfort, quality and support—there’s a perfect Sealy® for you. This Sealy Elmcroft Firm Mattress offers targeted support, motion-absorbing responsive coils and a breathable cover to keep the mattress protected. 10” profile with knit cover.SealySupport™ Gel Base Foam—a high-quality traditional foam that creates cushioning comfort and flexible support.SealyCool™ Gel-Infused Memory Foam combines gel-infusion for a cooler sleep experience and conforming memory foam for supportive comfort.