The N-3 Utility Cap navy work flip hat is used as a prototype for improvement, with a flip brim and a short brim as its characteristics, and HBT herringbone texture fabric is thick and wear-resistant as its main cloth. The moderate thickness is quite suitable for four seasons, Work and outdoor activities, as one of Retrodandy's classic models, are versatile hat models.
The common HBT fabric for military uniforms, the full name is Herringbone Twill. It is named because the herringbone fabric looks like a fishbone. The main uniform fabric.