100% Polyester Easy Care Ribbed Collar Five Button Placket Short Sleeve Opti Dri™ Wicks Away Moisture To Keep You Dry Stretch To Give Full Range Of Motion Swing Tech™ Engineered Seams Callaway Tour Logo At Right Sleeve Model Is 6'1" And Wears Size Medium Machine Wash Swing Tech™Made to maximize your range of motion on every swing, Swing Tech provides noticeably less restriction through re-engineered construction and materials. Opti-Dri™Transfers moisture away from your body to keep you cool and dry.