80%Cotton,17%Chinlon,3%Spandex Imported COMFORTABLE TO WEAR – Precision sewing socks by hand stitching, seamless feeling. Exquisitely-designed heel with Y-type stitching, full wrapping, reducing foot pressure, comfortable to wear. MOISTURE MANAGEMENT – Foot side portion has a breathable mesh, using advanced weaving technology, perspiration breathable. Moisture can be discharged, regulating of body temperature and keeps you cool. Drying speed is 8 times of cotton. DOUBLE HEIGHTENING HAND DESIGN – comfortable, wearing with no sense of restraint, no tensile deformation, no loose conditions. MOISTURE WICKING – Keep your feet warm without sweat, protect you from blisters during hiking or running. IDEAL FOR OUTDOOR SPORTS – Snowboarding, Camping and Hiking, Climbing, Trekking, Outdoor trail.