UA RUSH™ is infrared technology that reflects your body's energy to help you work harder & recover faster Durable, diamond-textured fabric is brushed on the inside for added warmth & comfort Soft knit fabric on sleeves & center body is breathable, stretchy & incredibly warm Woven overlay on front kangaroo pocket with zip opening for secure storage Raglan sleeves - Style #: 1370450 Powered by Celliant Body: 78% Polyester/22% Elastarell Panels: 84% Polyester/16% Elastane Imported - 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