The Slimfit N-3B is a cold-weather parka designed for extreme weather. Streamlined silhouette offers a unique fit, while thick lining, Nylon shell and longer length offers superior protection against freezing and windy conditions. The classic N-3B design was originally created to protect U.S. Air Crew and ground personnel during flight operations in severe cold and polar based theaters. The Slimfit is one of our best selling parkas, as it retains the protective qualities of the original Alp...