Pre-owned US Army Gen III thermal underwear pants in tan/sand, men's size Medium Regular. A mid-weight cold weather base layer built for outdoors, hiking, camping, and layering under shell pants in cold conditions. Similar feel to Polartec-based layers from Under Armour ColdGear, with a fitted cut and elastic waistband for a secure fit under gear. FIT & MEASUREMENTS Listed by tag size. Pre-owned garments can differ from their tag size due to shrinkage or alterations, so measurement photos are always included to ensure the right fit — please compare them to a similar garment you own, as there are no returns. Pants especially can fit differently than the tag suggests. DETAILS Material: Polartec fleece Fit: Fitted SHIPPING & RETURNS Every item is washed, steamed, and inspected before listing. We ship daily (at minimum every other day). All sales are final — please check all photos and message us with any questions BEFORE ordering.