The main body material is the production of CORDURA? BRAND FARIC, and a certified factory that meets quality standards, and two 210D 66 nylon yarns are twisted, and two are used as vertical horizontal and woven and woven. The excellent original fabric, MasterteX-07. The surface of the fabric is water-repellent, and the back is laminated with a special hydrangering waterproof film L-vent?, and it has a 20,000mm waterproof function with a three-layer structure with tricot niron. ?? In addition, depending on the parts, the original fabric Mastertex-04, 05, 06 are combined. The attached material uses leather with waterproof tanned, and the material on the bottom is usually about 5 times that of nylon wear, tear strength, and durable 1680D Corduraba Ristec? nylon, and on the back side. PVC processing is further improved by improving strength and waterproofness. The shoulder harness is equipped with an original mechanism called "M-STRAP", which has been registered as a practical new plan to reduce luggage weight. Among the cushions that touch the body, the temperature control material outrast? developed for NASA is used. The buckle, the design point of the series, uses a newly designed one with a stronger strength. This is a flagship series of MASTER-PIECE that updates the functional aspects and storage, which is used in the city in terms of design.

Other potential series