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

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 (included) compartment and two mesh bottle pouches
3.Front sleeping bag compartment with divider Bearing System:
4 .Sternum strap with emergency whistle buckle
5.Deep and dense padded shoulder straps and hip-belt promoting air circulation along your back and shoulders Attachment Point:
6.Trekking pole attachment and bottom loops for ice axe or hiking poles
7.Both sides of the shoulder straps has a D-shape hook, in which small items can be linked to
8.SBS zippers