Colour: Bone Size: Men's UK 7-10 Ladies 8-11 A medium weight hardwearing mercerised cotton sock for maximum comfort in hot conditions. The sock has elegant ribs, which facilitate air circulation around the feet to keep them cool and comfortable. An excellent business sock with a relatively thick yet open cotton knit. A Health SockĀ® with no tight elastic top. Contents: 95% Mercerised Cotton, 3% Nylon, 2% Elastane. Sizes Available: Medium and Large