Easy storage for helmets, rain gear, etc.! A highly functional D-bag This is a Senjin D-pack purchased from the Japan Ground Self-Defense Force PX. It has an adjustable belt function. It's very multifunctional and easy to use because it can be made compact and thin for short trips. Shock absorption! Reduces back sweat! Uses a molded back panel with high cushioning and breathability. This backpack is perfect for various training exercises. The top of the D-pack has openings for the hose of a water supply pack and radio antennas. It has multi-functional pockets, and the interior has a double structure with two mesh pockets and a single pocket. Size Height: Approximately 45cm Width: Approximately 38cm Depth: Approximately 18cm Type: Backpack Material: Polyester (900D) Features: With multi-functional pockets Straps: Adjustable straps