Sock content 95% Nylon 5% Elastane. Micro- mesh venting allows foot to breathe. Padded sole for extra comfort. Contour foot. Flat toe seam for extra comfort. Ribbed ankle support. Fully elasticated turnover. Good enough for amateur to professional. Can be used for all field sports, Football, Hockey, Rugby. Medium ( youths ) = shoe 3-6 Large ( mens ) = shoe 7-11