Capacity:
1.An extension collar with two drawstrings on the top can expand the pack and increase the main compartment capacity by 10 liters
2.Front sleeping bag compartment with divider(could be as a shoes compartement)
3.There are 2 hip-belt pockets, 2 lid pockets, 1 cap pocket, 1 rain cover (included) compartment，2 front pocket and two elastic bottle pouches Bearing System.
4.Sternum strap with emergency whistle buckle, available to adjust up and down
5.Deep and dense padded shoulder straps and hip-belt promoting air circulation along your back and shoulders

Extend hanging tools:
6. Fixing elastic band 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

Product Parameters:
Capacity: 60L+10L
Fabric: Water repellent, tear resistant Nylon
Item Weight: 1.4kg
Product Dimensions: 75 x 29 x 20 CM (60L);

Package:
1*Backpack
1*rain cover

• HIGH-CAPACITY- 50L(can extension to 55L); Size:70cm (H)*35cm (L)*25cm (W),27in(H)*14in(L)*10in(W); Weight: 1.5kg
• 3D SUSPENSION CARRYING SYSTEM- honeycomb sponge compression suspension system. S Type adjustable shoulder strap system fit according to your height.
• COMPARTMENTS- Main compartment, sleeping bag compartment with divider, cap drawstring designed: good for hydration access for tube, hip-belt pockets, top lid pockets and side pockets to keep your stuff separate and organized.
• TOOL ATTACHMENT POINTS- Daisy chains, D-shape hooks, compression straps, bottom loops, soft latching loops, key rings and bottom straps for hanging tools, trekking pole, tents, sleeping bags, and other accessory.
• PROFESSIONAL DESIGNED- Breathable, mesh, widened and thickened S-type strap; air cushion belt suspension system, Internal Frame Pack backpack. SBS zipper, YNS buckle, cold-resistant and securely; good for outdoor sports

HIGH-CAPACITY- 50L(can extension to 55L); Size:70cm (H)*35cm (L)*25cm (W),27in(H)*14in(L)*10in(W); Weight: 1.5kgGREENLAN