Product Description 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 matter what. Keeps You Cool Ventilated Fast-Drying Product DNA Our original HeatGear fabric is super-light, breathable & dries fast Mesh underarm & back panels for strategic ventilation Material wicks sweat & dries really fast Ergonomic design keeps seams off high abrasion areas & increases durability Odor control technology minimizes odor Compression: Ultra-tight, second-skin fit. Style #: 1383321 Body: 84% Polyester/16% Elastane Mesh: 92% Polyester/8% Elastane Imported Care 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