Atom Pack "The Mo" vs. Osprey Atmos AG 65
Two carry-on travel backpacks, compared spec for spec.
Atom Pack "The Mo"
| Capacity | 40 L |
| Weight | 0 kg |
| Dimensions | 91×84×74 cm |
| Airline fit | 0% |
| Price | $245 |
Feature by feature
| Atom Pack "The Mo" | Feature | Osprey Atmos AG 65 |
|---|---|---|
| Storage | ||
| Y | Compression | Y |
| None | Expanded Capacity | None |
| 2 | Opening | 0 |
| N | Passport | |
| N | Passthrough | N |
| Carry | ||
| Y | Backpack | Y |
| removable | Hip Belt | Y |
| removable | Sternum Strap | removable |
| Inside | ||
| N | Laptop | N |
| 1 | Main Compartments | 3 |
| N | Organizer | N |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | Y |
| 2 | Water Bottle Holder | 2 |
| Y | Water Resistant | Y |
| Material | |
| VX21 X-Pac fabric | Nylon |
Osprey Atmos AG 65
| Capacity | 65 L |
| Weight | 2.2 kg |
| Dimensions | 87×41×39 cm |
| Airline fit | 0% |
| Price | $269 |
Key differences between the Atom Pack "The Mo" and Osprey Atmos AG 65
- Opening: Rolltop on the Atom Pack "The Mo"; Other on the Osprey Atmos AG 65.
- Hip belt: Removable on the Atom Pack "The Mo"; Yes on the Osprey Atmos AG 65.
- Main compartments: 1 on the Atom Pack "The Mo"; 3 on the Osprey Atmos AG 65.
- Rain cover: No on the Atom Pack "The Mo"; Yes on the Osprey Atmos AG 65.
Both have: compression straps, backpack straps, sternum strap, water bottle pockets, water resistant.
Which airlines take each bag as a carry-on
We checked both bags against the carry-on size limits of 189 airlines. 0 accept both. Every airline that takes one takes the other.
Atom Pack "The Mo" vs. Osprey Atmos AG 65: which should you pack?
The Osprey Atmos AG 65 carries 25L more than the Atom Pack "The Mo" (40L vs. 65L), and the two are closely matched on weight. For carry-on flexibility, the Atom Pack "The Mo" fits 0% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Osprey Atmos AG 65; if you want to travel lighter, the Osprey Atmos AG 65 is the better call.