Merino wool is selected as the high-quality raw material, its fiber fineness can reach 1/5 of the hair, the texture is delicate and warm, soft and smooth against the body, without sticking to the skin. Merino wool surface scales characteristics, can bring natural anti-odor effect, and can absorb moisture and evaporate quickly, do not cover sweat and not hot. The combination of natural materials and modern technology gives the wearer a comfortable experience of “constant temperature in all season