Rothco Thin Blue Line Deluxe Embroidered Watch Cap. The 100percent Acrylic fabric will keep you warm all winter long. Rothco's winter cap features an embroidered Thin Blue Line Flag front and center on the beanie. Specifications for Rothco Thin Blue Line Deluxe Embroidered Watch Cap: Manufacturer: Rothco Gender: Unisex Age Group: Adults Color: Black Fabric/Material: 100percent Acrylic Features of Rothco Thin Blue Line Deluxe Embroidered Watch Cap Material: Acrylic Material Specs: 100percent Acrylic Package Contents: Rothco Thin Blue Line Deluxe Embroidered Watch Cap Rothco Thin Blue Line Deluxe Embroidered Watch Cap 50342