Colour: Black Size: Men's UK 10-13 A smooth-fitting quality patterned business sock. The fine merino wool keeps feet warm and comfortable and the polyester provides longer wear. The sock is knitted with no loose ends inside. This elegant sock is excellent for business wear. A Health Sock® with no tight elastic top. Contents: 65% Fine Merino Wool, 33% Polyester, 2% Elastane. Sizes Available: Medium and Large