5.0-oz. 100% Polyester double knit fabric. Moisture wicking fabric draws perspiration away from the skin. UPF protection technology protects your skin from the sunÃ•s harmful rays. Enhanced stretch technology gives innovative seams to redefine range of motion. 3-button placket, self fabric collar, open sleeve. Double needle hemmed bottom with side vents. Heat seal label provides tag-free comfort. Contrast embroidered Golden Bear logo on right sleeve.