4.75 oz; 53% combed Pima cotton; 47% polyester. Jet piqu wicks moisture away from the skin's surface to keep you dry. Oxford stitch collar; Provides sun protection up to 30 UPF. Traditional three button placket; Side vents and slight drop tail hem. Sizes: S; M; L; XL; 2XL; 3XL; 4XL.