The Ghostbed Essential 11-inch Firm Twin Extra Long Memory Foam Mattress offers a cool, supportive sleep surface for those who prefer a firmer feel. A Ghost Ice Cover helps regulate temperature while gel memory foam and exclusive GhostFlex foam provide head-to-toe pressure relief that contours to your body and eases aches. A 7-inch high-density base foam supplies balanced, long-lasting support ideal for a Twin Extra Long bed.