Serafarm Core Span Knee Socks 2 pieces / 16722 M 1 pair

●Sizes: (Ankle circumference) S: 17-22cm, M: 21-26cm, L: 23-29cm, (Calf circumference) S: 28-42cm, M: 31-45cm, L: 33-49cm, (Length) S: 30-41cm, M: 33-43cm, L: 36-46cm ●Material: Coolmax polyester, nylon, polyurethane ●Medical device number: 14B1X90001T00066 ●Country of Origin: USA ●Sweat-absorbing finish - Gradual compression of the legs for smooth blood flow! Medical-grade elastic socks that reduce swelling and fatigue. - 10 to 15 mmHg.