Polartec Military Issue Gen III ECWCS Level I Silkweight Pants

Thermal underwear Polartec ECWCS USA Level 1 Tan set - 5961

ECWCS Gen III Level 1 Cold Weather Silkweight Drawers USGI

Preparing our troops for extreme cold​ weather

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Clothing & Apparel - Base Layers - Page 1 - SGT TROYS

Polartec Launches Military Issue Collection - Soldier Systems Daily

Polartec releases Military Issue Collection

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Generation III Extended Cold Weather Clothing System - CIE Hub

Extended Climate Warfighter Clothing System

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