Special fibers with a hollow core. Provides an optimal barrier for thermal insulation between the skin and the environment.Quick moisture wicking through the fibers keeps body temperature regulated.No seams that can rub or chafe. Seamless design to prevent discomfort or skin irritation.Washable at up to 40°C with regular detergents. More hygienic.Fits both hands.Contains only materials that are approved for the food sector.