Made of 80% cotton, 20% polyester providing soft, comfortable, moisture wicking, flexible and warm hiking socks Comes in medium (US 6-9) and large (US 9-12) sizes; Can be hand washed or machine washed, should be air dried, not dry cleaned Arch support on instep prevents displacement, terry design on sock bottom provides buffer, soft treatment reduces friction and prevents blisters Perfect for hiking, climbing, camping, sports, leisure and outdoor activities Great gift idea for Christmas, birthdays, thanksgiving and other special occasions