UA RUSH is infrared technology that reflects your body\'s energy to help you work harder & recover faster|Material wicks sweat & dries really fast|4-way stretch material moves better in every direction|Mock neck construction for added coverage|Side-vent hem - Style #: 1373229|Powered by Celliant|91% Polyester/9% 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