Callaway Men's Golf Chest Stripe Long Sleeve 1/4 Zip Mock Pullover 90% Polyester/10% Spandex Imported OptiDri: transfers moisture away from the body to aid in evaporation OptiShield: create a layer of protection from the sun's harmful ways OptiStretch: interwoven layers of Spandex to ensure maximum range of motion so the garment moves with the golf swing Contrast biding detail at chest and cuffs Contrast embroidered Callaway logo on right sleeve