Peak Design Travel Backpack 45

Peak Design's 45L pack is the most feature-rich option on this list, with a MagLatch top compression system that adjusts the bag's profile between 35L and 45L, plus a fully removable internal divider system that can be reconfigured around camera bodies and lenses. The weatherproof 400D nylon shell and waterproof zippers handle rain without a separate cover, and the external carry handles on all four sides make it easy to lift into overhead bins from awkward angles. The $350 price is steep, but photographers who would otherwise carry a dedicated camera bag alongside a travel pack will likely recoup value from combining both into one.