Wilson Basketball SockThe Wilson Basketball Crew Socks have an arch band to give you a snug, supportive fit and feel. Targeted cushioning provides padding where your feet touch the ground. Complete with sweat-wicking technology helps keep you dry and comfortable as you run the court. Product FeaturesColour: Black/WhiteSizing: Large fits UK size 9-12 (EUR 43-48) XL fits UK size 13-15 (EUR 48-50)Fabric Composition: 94% Polyester, 4% Spandex, 2% Nylon