503D Infantry The Rock Adjustable Hat Cap https://www.ebay.com/itm/147464352159 The 503D Infantry The Rock Adjustable Hat Cap is a vintage-inspired baseball cap designed for men. Made from cotton knit fabric in a solid blue color, this hat features an adjustable strap for a comfortable fit. Perfect for casual occasions in the spring, summer, or fall, this cap is both stylish and practical. With a nod to Army theme, this one-size cap by Supply Room is sure to make a statement for any man looking to add a touch of military-inspired flair to their wardrobe. #Army