SPAR Uniform Hat. Material: textile. Size: 11" diameter x 3 1/2" H. Description: white cotton cap crown with a navy blue brim with several rows of top stitching;- black ribbon hatband with left side bow; gold lettering across front: "U.S. Coast Guard"; eight metal snaps under ribbon hatband; labeled under hatband: "21" and "U.S. Coast Guard: with anchor insignia. (b) Removable cover. Material: textile, metal. Size: 6 1/2" diameter x 4" H. Description: white cotton six-gored cap with eight snaps corresponding to cap. Part of U.S. Coast Guard SPAR Uniform that includes: cap, garrison cap, blouse, shirt, skirts, slacks, belt and service crests.