Truform Men’s Dress Knee High Support Sock, 30-40 mmHg, closed toe box, navy nylon-spandex rib-knit fabric, soft non-compressive top, knit-in heel, size Small, 7″ – 8.25″ (17.8 – 21 cm) ankle circumference, 11″ – 14″ (27.9 – 35.5 cm) calf circumference, up to 15″ (38.1 cm) length to knee.