4.75 oz./yd2 / 160 gsm, 72% polyester, 28% combed pima cotton jet pique; Moisture-wicking; UV protection performace; 4.75 oz., 72% polyester, 28% Pima cotton; Jet piqué wicks moisture away from the skin’s surface to keep you dry; Provides sun protection up to 30 UPF; Oxford stitch collar; Traditional three-button placket; Side vents and slight drop tail hem