Peak Design Travel Backpack Review: Quick Answers This is an all-in-one travel backpack. It’s convertible to daypack size. The small 45L size suits carry-on luggage rules. Forget those long ...

Why we like it: The sleek-looking Peak Design Travel Pack 45L is our best overall travel backpack. It's expandable, carry-on compliant, and is bursting with innovative features.

Best Carry-On Backpack Overall: Peak Design Travel Backpack 45L Best Carry-On Backpack For International Travel: Cotopaxi Allpa 35L Travel Pack Best Value Carry-On Backpack: Coofay Travel Backpack ...

She took the Peak Designs Travel Backpack with her on a road trip to Montreal and on a flight to Chicago as a personal item in addition to a roller bag. “I am typically an over-packer,” she says.

Distinguishing features Without further ado, here are four elements of the backpack that have us unreasonably stoked — including one that incorporates the Sling. 1. The stowable hip belt The hip belt ...