When comparing Tortuga Air (27L, 35L expanded) vs Osprey Ozone Travel Pack 35, the Slant community recommends Tortuga Air (27L, 35L expanded) for most people. In the question“What are the best travel backpacks between 25L-35L?” Tortuga Air (27L, 35L expanded) is ranked 2nd while Osprey Ozone Travel Pack 35 is ranked 4th. The most important reason people chose Tortuga Air (27L, 35L expanded) is:
The bag can expand from 27L to 37L. The bag can have a slimmer profile when you aren't carrying as much stuff, but it can expand by 8L when you want the extra capacity.
Specs
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Pros
Pro Expansion zipper means you don't have to carry unnecessary bulk
The bag can expand from 27L to 37L. The bag can have a slimmer profile when you aren't carrying as much stuff, but it can expand by 8L when you want the extra capacity.
Pro Locking zippers to keep the contents of your bag safe
There are locking zippers on the laptop, front and main compartments.
Pro Sleeve for laptop and tablet
Inside the main compartment is a padded sleeve that will fit up to a 15" laptop, and a tablet.
Cons
Con All the weight will be on your shoulders
The bag does not come with a hip belt, so all the weight in the pack will be on your shoulders.
Con Padding on the hip belt is minimal
The pack comes with a padded hip belt, however the padding is quite light and doesn't provide much cushioning.