ATN Thigh High Compression Stockings provide Class II (20-30 mmHg) Compression for professional support. Wide silicone band holds them in place, mid thigh. 75% nylon, 25% spandex. High quality hosiery, comfortable, clinically effective support. Should be worn to help increase circulation, decrease muscle soreness and fatigue, help prevent varicose veins, minimize swelling and minimize the risk of a DVT during air travel. Often recommended to be worn post surgery for recovery. Available in black, bronze and navy blue.