The Gregory Baltoro 65 is a 65-liter backpack that is designed for backpacking. It has a Response Auto Angle Adjust suspension system that moves the LifeSpan EVA shoulder straps up and down the 3D AirMesh back panel to a fit that feels customized to your own back. It also has an aluminum frame to stay stable and well-supported. Here are some insights from user and expert reviews:
Pros
Comfortable
Convenient storage design
Durable
Lightweight
Handles heavy loads
Cons
Waist belt pockets could be bigger
Used for 3 weeks on our Europe trip a few years back and haven’t touched it since. These things run $225-$300 new.