Our Polypropylene Thermal Pants Bottoms for men and women have elastic waistbands and elastic pant cuffs for complete warmth and a front fly. Please see the Sizing Chart for your proper fit. Update the quantity desired in your shopping cart. Stay warm and be well!
PolyProThermals polypropylene pants are the finest thermal bottoms money can buy. Just like a pair of warm fleece pants or fleece bottoms, our polypro pants are better than any other men's long underwear or women's long underwear. Our thermal underwear has the lowest heat transfer & highest moisture transfer of any material, making our poly bottoms the only bottom to wear as extreme cold weather pants. Made exclusively for the U.S. Military for soldiers stationed in single-digit & sub-zero temperatures, they are the best polypropylene thermal pants bottoms available in the world!