WASING 55L Internal Frame Backpack Hiking Backpacking Packs for Outdoor Hiking Travel Climbing Camping Mountaineering with Rain Cover WS-55Lpack

Capacity: 1.An extension collar with two drawstrings on the top can expand the pack and increase the main compartment capacity by 5 liters 2.There are 1 hip-belt pockets, 1 bladder sleeve(not included Bladder), 1 front pocket, 1 rain cover...