100% polyester, This performance poly-piqué mesh fabric features a moisture-wicking finish, Weight 5.3 oz, self-fabric contrast piping across shoulders and down sleeves, self fabric collar and locker patch, two-button placket, hemmed raglan sleeves, side vents Machine Wash Cold; Turn Garment Inside Out; Do Not Use Fabric Softener; Do Not Bleach; Tumble Dry Low; Cool Iron as Needed