Product Overview: A LIGHTWEIGHT DESIGN WITH A FOG PRINT. Lightweight and stretchy, the Nike AeroBill Classic99 Hat tops off your look with a fog-inspired print and a comfortable fit that lasts from the clubhouse to the final green. Nike AeroBill technology combines breathability with sweat-wicking comfort. Twill fabric stretches for a personalized fit. Abstract print is reminiscent of the ever-present fog surrounding the course in San Francisco. "Engineered to the exact specifications of championship athletes" is printed on the inner seam tape. Terry sweatband is soft and absorbent. Features: 88% polyester/12% spandex Hand wash Imported 88% POLYESTER,12% SPANDEX