4.1 oz./yd², 100% microfiber performance polyester Paragon Plus moisture management Anti-microbial & wrinkle resistant finish Hemmed sleeves and bottom UPF 50+ protection Tear away label S M L XL 2XL 3XL Body Length 28 29 30 31 32 33 Chest Width 18 20 22.5 24.5 25.5 27.5 Sleeve Length - Center Back 33 34 35 36 36.5 37