The Dr. Motion quarter-height compression sock delivers mild compression with enhanced spandex to provide 360 degrees of support. It is anti-microbial & anti-odor and gives targeted ankle support that protects ankle without restricting motion. The seamless reinforced toe maintains optimal comfort & durability. Contents: 43% Polyester, 31% Nylon, 21% Cotton, 5% Spandex. These are sock size 9 to 11 (women's shoe size 6 to 10).