Thermal Underwear and Extreme Cold Weather (ECW) Undergarments
Mystic Army Navy offers a complete line of extreme cold weather polypropylene underwear, thermal knit underwear, and union suits to fit your outdoor activities. We have thermal knit tops and bottoms in camouflage, black, olive drab and natural colors. Our Extreme Cold Weather (ECW) undergarments are available in both zipper and crew tops. We offer the classic red one piece union suit in sizes ranging from small to double extra large.