Made from 9oz red selvedge denim，with cotton herringbone fabric tape reinforcing from the inside. It has a high reduction degree for the original version, and a wide range of collocation. The cap was originally used by the CCC as a working cap in the 1930s, made of blue denim, and was issued for a time at the beginning of the Second World War. It was replaced by the army green HBT working cap in 1942. Although not in service for a long time, it is a classic symbol of the retro trend. Unlike the ordinary fisherman's hat, It's military-style has a wider brim and a flat brim.