100% Polyester. Easy Care. Ribbed Collar. Five Button Placket. Uvpf 50 Sun Protection. 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. 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.