Buy Caps and Hats U.S. Navy Veteran Military Baseball Cap Mens One Size Blue Celebrates the service of the U.S. Navy. Includes a Buy Caps and Hats Bumper Sticker. Quality embroidery. Precurved bill. Mid-profile structured crown. Adjustable velcro strap to fit most adults. Officially Licensed with Navy logo. DURABLE FABRIC that is long lasting, great in all types of weather conditions, resists stains, fading and moths.