The L-Class 13.75” mattress provides premium support and superior pressure relief with the motion-reducing Zoned T3 Pocketed Coil® support system and layers of gel memory foam. The cover provides anti-microbial protection. In addition, BlackICE™ with plant-based cooling technology helps provide up to 18% more cooling power to keep you comfortable throughout the night. The firm comfort level is great for back and stomach sleepers. This mattress is CertiPUR-US certified to be made without ozone depleters. Mattress protector recommended. Made in America.