Sea to Summit Ether Light XT Insulated Air Sleeping MatAt 10 cm thick, the Ether Light XT Insulated Mat brings Air Sprung Cell comfort to the realm of thicker air sleeping mat. Using two types of insulation for three season warmth, this sleeping mat is lightweight and quieter than a traditional air mat. The XT Air Sprung Cells are constructed using loops of strong, flexible material to provide a plush sleeping experience. The uprated 30D 40D face fabric is quiet and durable, and the lamination technology