This Thin Blue Line U.S. flag low profile cap is perfect for runners looking for something to shield their eyes from the sun and wick sweat away that won't slide off in use. The hat is 100 percent polyester closed-hole mesh with an adjustable buckle closure, 5-panel construction, terry sweatband and black underbill to help prevent glare. The reflective O on the back right of the hat transfers heat to the sides of the hat to keep you cool. Whether you're a running enthusiast looking to get a few miles in between shifts or you want to give a thoughtful gift to law enforcement officers you know, this running cap is a great choice. Buy yours today.