Truform Men’s Dress Knee High Support Sock, 30-40 mmHg, closed toe box, brown nylon-spandex rib-knit fabric, soft non-compressive top, knit-in heel, size X-Large, 11″ – 12.5″ (27.9 – 31.7 cm) ankle circumference, 17.5″ – 20″ (44.5 – 50.8 cm) calf circumference, up to 18″ (45.7 cm) length to knee.