... -Static, Breathable, Eco-Friendly, Thermal men's merino wool underwear suitwarm,soft touch,odour free,breathable features:The pure merino garments in Beast are warm and ... , cashmere, cotton, modal, soybean,bamboo underwear set. We also can produce T-shirt, cashmere, vest, boxer the back of underwear Production process: men's merino wool underwear