5.6 OZ. 88% polyester, 12% elastane. Wind & Water Resistant technology resists wind and water to protect you against inclement weather. Stretch fabric moves with you to increase your range of motion. UV Block technology keeps skin safe from the sun's harmful rays. UPF 50+. Double needle hemmed bottom. Heat seal label provides tag-free comfort. Callaway TOUR logo embroidered on right sleeve.