Colour: Black/White Size: Medium Men's UK 7-10 Ladies 8-11 The special construction of this sock with wool inside and CoolMax® outside is designed to carry perspiration away from the skin. The wool cushion sole will keep its resilience for many wears in high impact sports. A Health Sock® with no tight elastic top. Contents: 76% Australian Wool, 19% Coolmax, 4% Nylon and 1% Elastane. Sizes Available: Small, Medium, Large