Awaken refreshed with active temperature management with Dreamaire Outlast technology. Traditional bedding traps heat and moisture that often cause sleep disturbances. Patented Outlast Thermocules intelligently absorb, store and release excess body hear for optimal thermal comfort. Outlast parented materials proactively maintain temperature balance to keep you dry and comfortable for a sound sleep Outlast Thermocules are based on Certified Space Technology engineered for NASA as an alternative to lofted insulation Outlast continuously tests and improve quality for fine lines around the world.