US Navy Custom Ship Cap Coyote Griffin Class (C3) Submarine Tender Charleston Class Amphibious Cargo Ships Philadelphia, Pennsylvania U.S. Navy Custom Ship Cap Coyote Charleston Class Amphibious Cargo Ship US Navy Custom Ship Cap Coyote Sotoyomo Class Tug Boat USAMM. Customizable U. S. Navy Ship Caps Add the ship name, hull number and if you like, text on the back of the cap. Like all of our custom products, these caps are embroidered at our shop in Texas. Hat Specs: 85% Acrylic, 15% Wool. Structured, mid profile, six panel with pre curved visor, sewn eyelets, and adjustable hook and loop closure. One size. This item uses hook and loop fasteners. (See video)