GET LUCKY IN LIGHTWEIGHT COMFORT. Turn heads in the Nike Classic99 Hat, featuring an embossed print of good luck charms and all-day comfort. Nike AeroBill technology combines breathability with sweat-wicking comfort. Twill fabric stretches for a personalized fit. Fabric is embossed with a variety of charms and tokens to help bring you luck on and off the course. 88% POLYESTER 12% SPANDEX