warm, durable, lightweight, bacteria resistant, non-fading or shrinking
Thermal Underpants pants, Cold Weather, Unisex, Combat, Full Length. You will notice that they do not have a fly opening as they are unisex. They are
CANADIAN ARMY POLYPROPYLENE LONG JOHN UNDERWEAR - SMALL - 190EN
GEN III Mid-Weight Polypropylene Thermal Bottom – McGuire Army Navy
NEW Military Cold Weather Thermal Polypropylene Underwear Drawers Pants XS
Indigo Boxer Briefs 3-Pack – True Classic
Thermal Underpants pants, Cold Weather, Unisex, Combat, Full Length. Features: You will notice that they do not have a fly opening as they are unisex.
CANADIAN ARMY POLYPROPYLENE LONG JOHN UNDERWEAR - MEDIUM - 200R97A
PolyPro Long underwear set SMALL, Army Issue
Extreme Cold Weather Polypropylene Underwear-Black - RR6240
Military uniform - Wikipedia
CANADIAN ARMY POLYPROPYLENE LONG JOHN UNDERWEAR - SMALL - 190EN
Thermal Base Layer
Military Thermal