The Mountainsmith Approach 45 Daypack is a versatile panel loader for minimalist weekends in the backcountry, for gear intensive day hikes or for extended adventure travel. Dual panel loader system, great for trail or travel. Smartphone compatible waistbelt pocket fits up to iPhone 6 and Galaxy S5. Forward pull waistbelt adjustment webbing. FAA carry on size. Anvil Airway ridged EVA backpanel padding. Front panel stretch mesh pocket with daisy chain attachment loops. Tuck away waistbelt. Dual side panel zippered pockets. Single tooltrekking pole carry. Side panel mesh pockets. Single hydration tube door pass thru. PE framesheet with single AL stay. Dual density EVAPU shoulder straps and waistbelt padding. Waistbelt fits 28 48 in. Capacity: Up to 50 lbs.