Tough, lightweight HeatGear fabric, with all the performance benefits of UA Compression|Stretch-mesh back & side panels deliver strategic ventilation|Updated ergonomic design keeps seams off high abrasion areas & increases durability|Material wicks sweat & dries really fast|Mock neck construction for added coverage - Style #: 1369606|79% Polyester/21% 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