It uses an original 3-layer structure fabric developed with the motif of the US Air Force flight jacket "MA-1". The 3-layer fabric of nylon twill (surface) + polyester cotton (middle layer) + nylon taffeta (back) is very light, and the soft feel of the bonding material and the vivid rescue orange on the back are attractive. This series is full of the thorough attention of Yoshida&Co. craftsmen in all processes from cutting to sewing and parts. A large-capacity daypack with a military feel, featuring a diagonal zipper on the front pocket. In addition to the main layer with storage capacity, it also comes with a large front pocket. It is a functional item with an adjuster that allows you to adjust the gusset width according to the amount of luggage, and a chest strap is also included. It can be used widely from daily scenes to travel scenes.