SEOULSTORY7 5pack Men's Full Cushion Mid Quarter Length Hiking Socks 75%Cotton,20%Spandex,5%Polyesters Full cushion throughout;botton,top,ankle Medium size is for both Men and Women. Medium size fits Men shoe 7-9US(Women shoe8-10US), Large size fits Men shoe9-11US, X-Large: Men shoe 11-13US Midweight pile cusion padding protect the foot from shear and prevent painful blisters. Year Round Moisture wicking,anti-bacterial. Ideal for outdoor sports-snowboard,Camping and hiking,skiing,climbing,trekking,outdoor trail The Y- Heel Tab Helps With Slipping Your Socks On and Off. Great elasticity and stay up. Made in Korea