5.6 oz 88% Polyester/12% Spandex, double knit brushed back with water repellent finish. Stretch to give you full range of motion. UV Repel technology keeps skin safe from the sun's harmful rays UPF 50+. Heat Seal Label provides Tag-Free Comfort. Quarter-zip with reverse coil zipper with Callaway branded pull and zipper garage. Contrast embroidered Chevron logo on back yoke.