NEW Clove Compression Socks Mint Green Nurse Medical Circulatory Support Size M, Engineered with a reliable 20-30 mmHg graduated compression level to reduce lower leg fatigue, swelling, and muscle soreness, specialized cushioned bottoms to absorb impact on hard hospital or clinic floors, According to the official Clove Sizing Guide, a size Medium fits: Women's US Shoe Size: 9.5 – 12.5 Men's US Shoe Size: 8 – 10.5 Calf Circumference: 13.5" – 16" New