UA Seamless Radial T-shirtUsing levels of mesh mapped to your body, you get ventilation where you need it, plus the comfort of fewer seams. It's pretty much the most comfortable thing you'll ever train in. Style #: 1370448 51% Polyester 49% Nylon Imported Fitted: Streamlined fit thats not too tight or too loose. Machine wash cold with like colors Do not bleach Tumble dry low Do not iron Do not use softeners Do not dry clean Soft knit fabric with engineered mesh ventilation,