SockTower Big Boy's Girl's Youth Kid Sports Athletic Cushion Crew Team Field Baseball Softball Cotton Terry Knee High Socks Big Kid Shoe Size=4-6/Women=3-6/ Men=4-6. Best to fit Foot= 7.12" to 8.75". FOOT LENGTH: Before Stretch= 6.5. After=8.5. CALF: Before Stretch= 12.5. After=15.5 (try on model foot =8.5). Embedded Arch Support helps reduce foot fatigue. Elastic in foot arch- ensures perfect fits. Double Cushioned sole, toe and heel; Soft comfortable, absorption Rubber and spandex at the socks top prevents socks movements. 82% Cotton, 3% Rubber, 7% Nylon, 8% Spandex NON-TOXIC & ODORLESS MATERIAL. Fasten texture- Professional long-term use Quality, SIZE L= 3.5 oz= 99 g. SIZE S= 3 oz= 85 g. USA Tax payer; Item located and ships from USA. Import/Made in Taiwan (manufacturer direct; premium standard of quality control)