SockTower Men's Unisex Sports Athletic Cushion Crew Team Field Baseball Softball Cotton Terry Striped Knee High Socks Men Shoe Size=4-6/Women=3-6. Best to fit Foot= 7.12" to 8.75". FOOT LENGTH: Before Stretch= 6.5. After=8.5. CALF LENGTH: Before Stretch= 12.5. After=15.5 (try on model foot =8.5). Men Shoe Size=6-12/ Women= 6-12. Best to fit Foot= 8.75" to 11". FOOT LENGTH: Before Stretch= 7.5. After=11. CALF LENGTH: Before Stretch= 14. After=18 (try on model foot =11). Elastic Arch & Ankle Support; Double Terry Cushioned sole, toe and heel. Soft comfortable, absorption, 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)