Nike SB AeroBill Pro snapback hat. The Nike SB AeroBill Pro 2.0 Hat tops off your look with stretchy, sweat-wicking fabric that helps you stay dry and comfortable on and off your board. Nike AeroBill technology combines breathability with sweat-wicking comfort. Embroidered eyelets enhance airflow. Terry sweatband is soft and absorbent. Front patch reads "Nike Skateboarding Proprietary Technology." Adjustable snapback. 100% polyester. Imported.