How 3M Thinsulate Insulation Works in Combat Boots
3M Thinsulate Insulation was developed to keep you warm in cold conditions. The purpose of insulation is to trap the air so that the warm air stays in and to reflect the heat produced by the body.
via 3M.com
3M Thinsulate is composed of fine fibers, almost 10 times smaller than other synthetic materials, that lock in the warm air . The microfibers are so small that not only do they block the air molecules, but they also take up less space. Despite the density of the material, it is also breathable to allow the moisture vapors to escape.
Warmth Without the Bulk
3M Thinsulate Insulation is used in a number of military boots including: Rocky Brands and Original S.W.A.T.
Rocky S2V USAF Cold Weather Waterproof Insulated Boot
