A custom model based on the watch cap for the mechanic crew used by the US Army Air Service , with a tag on the inside and a stencil print on the right side. With a solid braided, a good windproof also fit excellent this cap is to warmth, Buzz appeared every year standard item of Rikusonzu. Type of plane is also good, but more military if there is a stencil print over ness will be highlighted.
