The body material is durable than normal nylon, and uses Cordura Ballistic? Fabric 1680D nylon, which is more durable and resistant to friction and tear. By pulling two twisted yarns of the vertical 840D horizontal 840D, the friction and tear strength are enhanced, the surface is water -repellent, and the back is applied to the back side. The attached material is made of waterproofed leather. The main zipper uses a YKK water -repellent zipper with a water -repellent effect on the tape, and a YKK Aqua Guard Zip with a water stoppage on the front part. Equipped with a convenient pocket for storing laptops and tablets, it is a series that can be used in various situations and various situations that support business and casual scenes.