Heat Holders Mens Wool Socks Many people who enjoy outdoor activities swear by the natural characteristics, and feel, of real wool for their boot socks. These carefully developed Heat Holders Wool Rich Socks combine the best of natural wool, with Heat Holders’ knitting and brushing technology to produce a super-warm 2.7 TOG sock. The long looped pile softly brushed on the inner, holds warm air and cushions feet for all-day warmth and comfort. Whether you are hiking, dog walking, or working in the garden; these socks will be sure to your feet toasty and warm. These socks have an extra long leg (knee high) for increased warmth and protection in longer boots such as wellies or horse riding boots. These socks are available in a size 6-11 UK and in 5 colours. They are also available in a standard length version and ladies colourssizes. Extra Product Details 1 pair 5 colours Wool Rich Knee High 2.7 TOG Long Loop Pile Brushed Inner 70% Wool, 27% Polyamide, 3% Elastane Machine Washable