So Solid! adidas offer enhanced comfort with a semi-cushioned foot bed and a construction of stretchy snug cotton. Three pairs per pack, they each feature ribbed cuffs complete with 3-stripes and Trefoil branding. Code: 090003Fabric & Wash:Fabric: This product is 71% Cotton, 22% Polyester, 5% Nylon and 2% Elastane. Product Care: Machine wash at 30c. Do not tumble dry.