HeatGear?Armour is our original performance baselayer - the layer you put on first and take off last. It's tight to wick away sweat and quick-drying to keep you cool. No athlete can go without it.. . ?. . . Compression:?Ultra-tight, second-skin fit for a locked-in feel.. Super-light HeatGear?fabric delivers superior coverage without weighing you down. Material wicks sweat & dries really fast. 4-way stretch construction moves better in every direction. Anti-odor technology prevents the growth of odor-causing microbes. Ergonomic flatlock seams deliver a comfortable, chafe-free fit. Wide, flat waistband that sits just right on your hips. Inseam: 8. 87% Polyester/13% Elastane. Machine wash. Imported.