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.Two key hooks in main compartment for your keys or water bladder
8.Both sides of the shoulder straps has a D-shape hook, in which small items can be linked to
9.SBS zippers1. Man-Made Materials,BOTTOM COMPARTMENT- Zippered Access. It Comes With An Internal Zippered Divider.
2. WATER-RESISTANT- Water-Resistant Rip-Stop Polyester As The Fabric Can Quickly Slide Water Aside Before Water Has A Chance To Penetrate It.
3. Molded Foam Back Panel With Airflow Channels To Keep Your Back Cool And Dry.Single Contoured Aluminum Frame Bar Can Be Adjusted To Fit The Shape Of Your Back.
4. Size: (H)* (W)* (L) (27.1*12.5*9.8inch)Volume: 55L
5. WARRANTY- Includes 90 Days Limited Warranty.
WASING 55L Internal Frame Backpack Hiking Backpacking Packs for Outdoor Hiking Travel Climbing Camping Mountaineering with Rain Cover WS-55Lpack