The main material is a 66 nylon thread of 500D x 840D, which meets the CORDURA?BRAND FARIC standard, has a strength for friction, tearing, slipping, etc., and laminating a special moisture-permeable waterproof film L-Vent?. We use MASTER-PIECE original fabric, MasterteX-04 nylon with a 3-layer structure with tricot nylon. After PU coating, laminated moisture-permeable waterproof film L-vent? has a high water repellency and a waterproof function of 20,000 mm water pressure. The attached material is 210D 66 nylon yarn twisted, two two-piece twisted, and the original fabric MasterteX-07 Nylon, which is excellent in durable and woven, is used for vertical horizontal, and woven. Using CORDURA? ECO, which is an environment -friendly environment that reduces energy, consumption of raw materials, reduces waste, and reduces harmful gas during incineration by regenerating manufacturing waste. I am. The front pocket uses a YKK Aqua Guard Zip with a treatment that has a water stop, and the leather at both ends is a reflection sheet on the surface with a highly adhesive binder while leaving the texture of the leather. ?? It has a recursive reflection function and considers the safety of nighttime. The lining is made of nylon fabric that has high antibacterial and high -density that passed the antibacterial test by the JIS L 1902 2015 bacterial solution absorption method. The shoulder strap is equipped with an original mechanism called "M-STRAP" (registered as a utility model), which reduces the weight of the luggage. It is a series that supports original fabric, which has an authentic and minimal design, has high intensity, waterproof function, and unisex that has functionality for using it in the city.