When comparing Arc'teryx Covert Case C/O (40L) vs Osprey Porter 30, the Slant community recommends Osprey Porter 30 for most people. In the question“What are the best carry on backpacks for travel that hold at least 30L?” Osprey Porter 30 is ranked 7th while Arc'teryx Covert Case C/O (40L) is ranked 22nd. The most important reason people chose Osprey Porter 30 is:
There are two padded grab handles, one at the top and the other at the side.
Specs
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Pros
Pro Clean, minimal design
For those who don't like the bulk look of many travel backpacks, this is a good option. It has a very sleek, minimal design without losing functionality.
Pro Padded carry handles
There are two padded grab handles, one at the top and the other at the side.
Pro Attachments for a daypack
Reinforced loops allow you to attach a daypack to the front of the Porter (designed specifically for the Daylite Pack).
Pro Stowaway harness
They quickly hide away in a zippered pouch to protect that harness when stowed, or to keep them out of the way when navigating tight places.
Cons
Con Uncomfortable to wear
The bag can be uncomfortable to wear, especially for long periods. The straps have minimal padding and there is no waist belt to help take the weight off your shoulders.
Con Only one external pocket
The only external pocket is the front panel organizational compartment for papers, tablets and a laptop.
There are no pockets for food or anything else you may want quick access to.
Con Minimal support makes it uncomfortable to wear for long periods
The padding on both the shoulder straps and hip belt is quite light. Especially when heavy, the straps can dig into your shoulders and become uncomfortable.
Con No internal compression straps
There are no straps in the main compartment to help secure your belongings, so they may shift while traveling.