Large Capacity Powersports Backpack Durable 500D Cordura Nylon Exterior Fabric Includes Klim Hydrapak 3 Liter Shape-Shift Bladder Open Back Panel W/ Upper & Lower Foam Pillows For Massive Airflow Dedicated Bottom Pocket For Waterproof Rain Fly The Arsenal 30 Backpack is a large capacity pack in our lineup of off-road, dual-sport and adventure riding bags. Load compression and stability while riding were key build objectives, along with exceptional venting for hot weather conditions – all leading to extended comfort and a better ride. As is KLIM tradition, we built the Arsenal 30 with durable materials and incorporated useful features like the removable rain fly, a tool pack and harness, pockets that fit fuel bottles, low profile hidden compression straps, hydration bladder and more.