The Belleville C775 Cold Weather Coyote Brown Insulated Gore Tex (600g) Combat Boot is specifically designed for use in extreme cold and wet environments. This boot features a waterproof GORE-TEX bootie, a beefy 600g of THINSULATE insulation (the max insulation available in a combat boot), and moisture wicking lining for maximum comfort. The C775 is U.S. Army Combat Uniform Approved for OCP wear. The Vibram 360 Fire & Ice sole is specially designed not to stiffen in cold temperatures and to provide maximum traction on wet and icy surfaces. This boot is designed to provide the comfort of a running shoe but durability and performance of a combat boot. This boot is approved for wear with the Army Combat Uniform and is proudly made in the USA.