As seen worn during mountaineering operations and arctic exploration. The Generation III ECWCS (Extended Cold Weather Clothing System) is a multi-layered solution to maintain core body temperature in multiple cold weather climates and activities. This Level 7 Parka is the outermost layer of the ECWCS, intended to protect the wearer during static operations in extreme cold, dry conditions. Perfect for staying warm during deer stand hunting and ice fishing. Made to strict U.S. specs. Gently pre-tested by troops, so each Parka is sure to show its own individual history.