88.3% COMBED COTTON,10.5% POLYESTER, 1.2% SPANDEX. You Can Refer to The Size Chart on The Left Side Of Page. Non Slip Off: Proper compression band designed in arch fits the individual shape of your foot, hugs your foot evenly to keep the sock in position in your shoe. The elastic band holds the mens ankle sock tightly around your ankle, in order to prevent athletic sock sliding from your daily walk, running, cycling, hiking, tennis. Awesome Fit for Running: These mens running socks are made of combed cotton. Cushion on the toe and in bottom with thicker yarn , reduces the impact and friction when your move, and prevent the mens socks from broken. Seamless on the toe can eliminate the friction to prevent blister. Breathable：These womens ankle socks have better air permeability compared with polyester fiber; These mens ankle socks are in good performance on moisture absorption , they can be dry whole day; Mesh ventilation in arch can release the heat and keep your foot at the moderate temperature. 4 Sizes To Choose: Different from the white socks only one size on the market, we have 4 sizes from S to XL in Black, White, Grey for options to meet the demands of you as well as your family and your friends. You will find what you need in this style. CelerSport Best Customer Service: Order now and find the different on your feet. you will be 100% satisfied with our womens socks! If you have any problem in size, or if you have any quality problem, please contact us, we will send a replacement to you or we will refund you. We only want to give you the best service!