Rothco Deluxe Military Embroidered Watch Cap Security. The beanie style watch caps are made with a 100percent acrylic material that will protect you from the extreme cold weather. Officially Licensed by the United States Navy. Specifications for Rothco Deluxe Military Embroidered Watch Cap: Manufacturer: Rothco Gender: Unisex Age Group: Adults Color: Black Fabric/Material: 100percent Acrylic Features of Rothco Deluxe Military Embroidered Watch Cap Material: Acrylic Material Specs: 100percent Acrylic Weather: Cold Weather Package Contents: Rothco Deluxe Military Embroidered Watch Cap Rothco Deluxe Military Embroidered Watch Cap 5342-Security