SEOULSTORY7 5Pack Women's Light Cushion Mini Hiking/Performance/Trail Socks 77%Cotton,14%Spandex, 2%Polyester, 7%Elastine Small size fits Women shoe 6-8US,Medium size fits Wome shoe8-10,Men shoe 7-9US, Large:Women shoe10-12, Men shoe9-11 Light to Minimum Terry pile cushion on the botton foot Mesh ventilation zone on top Made in South Korea