ArcEnCiel 25L Tactical Motorcycle Cycling Backpack Military Molle Pack Helmet Holder with Patch - Rain Cover Included 25L Large Capacity ; 12.5" W x 17.5" H x 6.6" D ; High-intensity military-style specifications nylon fabric with waterproof coating: durable, breathable, waterproof and scratch-resistant Structure: Back zippered pocket can fit for 2.5L hydration bladder; Front cover can fit for cycling helmet; 2 Front zippered pockets suit for ipad4 or 6" cellphone, etc; 1 main bag can hold 10pcs T-shirt, Suitable for short travel MOLLE system design can be used in combination with other equipment. It is convenient to mount accessory bag, kettle, hang bag ,glasses, interphone, carabiner, small flashlight and other outdoor equipment in the side and front of the backpack Padded back & shoulder strap, inner mesh breathable fabric, high resilience, water repellent characteristics, effectively alleviate the shoulder muscles and the spine pressure. It plays a good shoulder protection, making carrying more comfortable Perfect for hunting, camping, travelling, mountain, trekking, tactical, cycling, motorcycle, hiking and other outdoors activities