Product Overview: This striped chest block golf shirt from Callaway is geared to the performance-driven golfer. Fabric enhanced with stretch and Swing Tech™ technology gives you a maximum range of motion. Cooling and Opti-Dri™ moisture-wicking technologies keep you dry through the back nine. The golf polo has UV Block UPF 50 to safeguard skin from the sun's ultraviolet rays. Features: 64% Polyester, 30% Recycled Polyester, 6% Elastane STRETCH TO GIVE FULL RANGE OF MOTION OPTI DRI™ WICKS AWAY MOISTURE TO KEEP YOU DRY SWING TECH™ MADE WITH 30% RECYCLED POLYESTER PREMIUM SOFT YARN