New Made in USA Military ECW Extreme Cold Weather N-3B Snorkel Parka Army Jacket GI (Large) 80% cotton Made in USA Authentic US. Air Force Military EXTREME Cold Weather N-3B Parka. Size: Large. Condition: New without Tag! This Extreme Cold Weather Gear is made of: - Outer Shell: 80% Cotton 20% Nylon Interlining 100% - Fur: 60% Mod-acrylic 40% Wool - Knit: 100% Acrylic. Wind Resistant and Water Repellent. Issued by the U.S. Government! Made in USA!