The ball cap is made of standard navy blue wool, synthetic, or blended fabric. 4. Commands may prescribe the eight-point cover with the NWUs for Sailors in formation at a ceremony or formal occasion.

For more than 70 years, the Navy has ... standard" caps in many pictures taken during the war. Still, those caps looked more like Ernest Hemingway's famous fishing cap than the blue ball caps ...

It is a four-color (deck gray, haze gray, black and Navy blue) digital pattern design ... male and female sailors and to fulfill multi-functional and geographical uniform requirements at sea ...