I&S Modular Kitty Hawk Performance Long Sleeve Fishing Shirt2. 4 oz. yd, 100% ripstop performance polyester Paragon Plus odor moisture management Wrinkle resistant finish UPF 40+ protection Button down collar Dyed to match buttons Back shoulder vents with mesh insert Hook and loop rod holder PRODUCT MEASUREMENTS S M L XL 2XL 3XL 4XL Body Length 29 1 2 30 1 2 31 1 2 32 1 2 33 33 1 2 34 Body Length Tolerance 1 2 1 2 1 2 1 2 1 2 1 2 1 2 Chest Tolerance 1 2 1 2 1 2 1 2 1 2 1 2 1 2 Chest Width (Laid Flat) 21 1 2 23