Highlights Helps reduce swelling and leg fatigue Great for Running, cycling, people who are on foot all day, traveling, and pregnancy. Recommended for varicose veins, post-surgery, and moderate edema Copper-Enhanced Fabric Metallic fibers are woven into the compression fabric Antimicrobial Eliminates 99.9% of bacteria and fungi in the socks Helps control odor Care Instructions Turn inside-out before washing Machine wash cold Tumble-dry low Do not iron Do not bleach Sizing: Small/Medium: Men's 6-9 and Women's 5-10 Large/XL: Men's 9-12 and Women's 10-12