Puma Cat Branding, knitted to sock front. Contrast color welt. Knitted mesh for breathability. Cotton heel and toe for comfort. Ankle brace for stability. R&L anatomically knitted foot-bed for Left and Right size. Material: 87% Polyester, 12% Polypropylene, 1% Elastane Sizes: Small [13 - 3 Shoe Size] Medium [3.5 - 6 Shoe Size] Large [7 - 9 Shoe Size] XL [10 - 12 Shoe Size]