Large capacity backpack (70L) is made of quality polyester fabric that is water, tear and wear resistant. Water repellent surface and rain cover will protect your personal belongings from rain and severe weather. Professional adjustable weight decomposition system will help you adjust the backpack to your height. Powerful storage function offers large main compartment, top cap compartment, hip belt pockets, bottle packets and straps for hanging the trekking pole, tent, sleeping bags and other accessory. ExPeak Airflow System ensures the air circulation between your body and backpack surface.