. . Perfect for any police, fire, or EMS department, our premium Uniform Hats combine a timeless look and feel with rugged 5.11 craftsmanship. Built from fade. . resistant poly/cotton twill, 5.11 Uniform Hats feature a Teflon® treatment that repels stains, soil, and liquids, ensuring a crisp and professional. . appearance throughout your day. Best of all, our Uniform Hats are made to be customized, and accept both embroidery and heat treatments remarkably well. An. . adjustable strap means one size fits all, so make sure you order enough for everyone!. . Teflon treatment repels stains, soil, and spills. . Fade resistant fabric. . Fully adjustable strap. . Poly/cotton twill. . One size fits all. .