56% Polyester / 30% Recycled Polyester / 14% Elastane All Over Ventilation Keeps You Cool Ribbed Collar 3 Button Placket Short Sleeve Stretch To Give Full Range Of Motion Callaway Logo At Right Sleeve Model Is 6'2" And Wears Size Medium Machine Wash Opti-Therm™Insulated fabric designed to withstand the cold and provide an extra layer of thermal comfort. 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.