When comparing Gregory J38 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 Gregory J38 is ranked 11th. 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 Women-specific fit
The suspension system and harness is designed specifically for women. The torso fit has a range suitable for shorter backpackers as well.
Pro Integrated rain cover
The pack includes a color-matched, quick-attach rain cover.
Pro Very well built
Gregory is known for their very durable and well designed bags.
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 Not specifically designed for travel
The J38 is a versatile pack, but not specifically designed for travel. It has some features you may not have a use for (such a pole loops) and is lacking in features you may find helpful (like a laptop sleeve). The shape is not ideal for storage (under seats, or in the overhead).
Con Expensive
Compared to other packs around this size, the price tag on the Gregory is a bit higher.
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.
