The Flex can be whatever you want it to be. The adjustable suspension and waist belt secure around most torso and waist sizes for a totally customizable fit. Three storage compartments are just a reach away and four compression straps can handle additional gear.

This compact pack features 650 cubic inches of storage and three interior organizational compartments. Yet with a weight of just over 1.5 pounds you may not even realize you're wearing it.

Features: 

• Ergonomic adjustable (26-40") padded waist belt
• Adjustable shoulder harness
• Channeled air-cooled back pad
• Yellow-coded zippers on main compartment
• Two upper compression straps
• Two lower compression straps
• Ultra-soft and quiet tricot fabric