Rugged internal frame backpack with a capacity of 5,187 cubic inches or 85 liters.

Dual aluminum stays with contoured shoulder, lumbar, and hip pads
Height-adjustable shoulder straps accommodate a wide range of torso lengths
Top-loading main compartment, sleeping bag compartment, and two hideaway side pockets
Attached rainfly; compatible with most hydration systems; weighs 5.5 pounds empty