UA RUSH™ is infrared technology that reflects your body's energy to help you work harder & recover smarter. This material wicks sweat & dries really fast, and its 4-way stretch material moves better in every direction. It features a side-vent hem and odor control technology to minimize odor. Powered by CELLIANT®. Made of 90% Polyester/10% Elastane. Imported. Wash garment inside out. 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. Style #: 1383973