94% Polyester . 6% Spandex. Callaway X Collection infuses slim fits and European-inspired designs into performance golf attire. Slim Fit. Three-Button Placket. Self Collar. Embroidered Callaway Tour logo on Right Sleeve. Opti-Dri: transfers moisture away from the body to aid in evaporation. Opti-Stretch: interwoven layers of spandex to ensure maximum range of motion so the garment moves with the golf swing. Machine Washable. Imported