Small fits Women’s Shoe Size 6-8/Men’s Shoe Size 5-7
Medium fits Women’s Shoe Size 8-10/Men’s Shoe Size 7-9
Large fits Women’s Shoe Size 10-12/Men’s Shoe Size 9-11
X-Large fits Women’s Shoe Size 12+/Men’s Shoe Size 11-14
62% Recycled Cotton, 22% Recycled Polyester, 15% Nylon, 1% Lycra