specification: Item Type: Compression Socks_x000D_Material: Nylon, Polyurethane_x000D_Pressure Grade: Grade I pressure (15-20 mmHg) _x000D_Style: Medium tube (below knee) _x000D_Ankle circumference: Approx. 24-26cm / 9.45-10.24in_x000D_Calf circumference: Approx. 37-39cm / 14.57-15.35in Features: 1Relieve Pain: Calf toeless compression socks help relieve fatigue and pain, promote blood circulation, and reduce swelling of feet and ankles. 2Prevent Swelling: Compression socks adopted progressive compression technology to help relieve leg swelling and varicose veins during pregnancy. 3Comfortable Wear: 15?20 MmHg Compression socks adopted open toed design, provide lasting support for your legs, which is comfortable for all day wear. 4Reduce Fatigue: Toeless compression socks can maintain healthy and energetic legs, relieve aching legs and prevent leg fatigue caused by prolonged standing. 5Nylon Polyurethane: Knee high toeless compression socks made of high quality nylon and polyurethane material, soft and breathable, which can be used for a long time. PackageList: 2 x Compression Socks