Disabled Veteran Cap Proudly Served Black Hat, American Flag Disabled Veteran Proudly Served baseball cap and bumper sticker by Buy Caps and Hats. American Flag Stars and Stripes on the brim. Durable fabric that resists fading and stains. Pre-curved bill. Adjustable velcro strap to fit many men and some women. Mid profile crown and hat generally fits up to approximately a size 25 inch head.