UA RUSH™ is infrared technology that reflects your body's energy to help you work harder & recover faster Super-soft ColdGear® fabric is breathable & stretches for superior mobility but is still incredibly warm Material wicks sweat & dries really fast Built-in thumbholes help keep sleeves in place & trap heat Raglan sleeves - Style #: 1365721 Powered by Celliant 84% Polyester/16% 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