HeatGear fabric is ultra-soft & smooth for extreme comfort with very little weight|Strategic mesh panels for added ventilation where you need it|4-way stretch construction moves better in every direction|Material wicks sweat & dries really fast|Ergonomic flatlock seams for added comfort & mobility - Style #: 1361731|90% Polyester/10% 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