Package includes: 4 Pairs of Socks. Made of high-quality fabrics: 63% Polyester /33% Cotton /3% Rubber /1% Spandex. Breathable cotton blend, soft fabric. Size: Best for Shoes Sizes 8 - 12; and Sock Sizes 10-13 Designed for all-day comfort. Great for everyday active people and for athletic use. Perfect for work or casual wear, everyday wear. High quality knit fabric. Comes in multiple colors. Machine Washable, tumble/Air dry, do not iron. Cotton Blend: 63% Polyester /33% Cotton /3% Rubber /1% Spandex