Mason 6-in. waterproof, insulated work boot is made of waterproof full-grain leather with a waterproof lining and Thinsulate Ultra insulation to keep feet warm and dry in cold, soggy weather. It is also available in an 8-in. style for extra ankle support. The Guardian safety toe boot has similar features, plus non-metallic toe protection that offers the strength of steel, yet does not conduct heat or electricity. Wolverine Boots and Shoes, Rockford, MI