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Extended Cold Weather Clothing System

The Extended Cold Weather Clothing System (ECWCS) is a layered insulating system adjustable to personal preference, metabolism, and prevailing weather conditions. It is designed to maintain adequate environmental protection between +40°F and -60°F.


The original ECWCS is composed of 23 individual clothing, handwear, headwear and footwear items which are used in various combinations to meet cold weather environmental requirements.

ECWCS Layer 1 through 5
Layer 1 - moisture wicking layer
Polypropylene undershirt and drawers
Layer 2 - insulating layer
Polyester fiberpile shirt and bib overall, field trouser liner.
Layer 3 - insulating layer
Field coat liner and field trousers.
Layer 4 - waterproof, windproof layer
Camouflage parka and trousers.
Layer 5 - snow camouflage layer
snow camouflage parka and trousers.
Light duty glove shells and inserts, trigger finger mitten shells and inserts, arctic mitten set, snow camouflage mitten shells.
Cap with earflaps [CapField, CapField], combat vehicle crewman's hood (balaclava).
Wool cushion sole socks, vapor barrier boots (black and white).
Trouser suspenders.