HeatGear® is our original performance baselayer—the one you put on first and take off last. So we made it extra comfortable by wicking sweat and stretching so you can move. No athlete can go without it. Our original HeatGear® fabric is super-light, breathable & dries fast Material wicks sweat & dries really fast 4-way stretch material moves better in every direction Ergonomic flatlock seams deliver a comfortable, chafe-free fit Wide, flat elastic waistband with a rise that sits just right on your hips Style #: 1374517 Inseam: 3" Pockets: No 87% Polyester/13% Elastane Imported Compression:Ultra-tight, second-skin fit. Machine wash cold with like colors Use only non-chlorine bleach when needed Tumble dry low Do not iron Do not use softeners Do not dry clean