Men's Max Waterproof Crew SockSize: Men's 7 12 Also fits: Women's 8 13 Men requiring size 4 8 can look at Women's styles. Heat Holders Max Waterproof Crew thermal socks are thick and warm, designed for outdoor activities like fishing, hunting or camping. With waterproof and breathable technology, these socks will keep your feet warm and dry in wet conditions with an incredible 2. 6 Tog rating! Thick and chunky, Heat Holders are made from a specially developed heavy bulk yarn which