Bellroy Shift Backpack vs. Aer Duffel Pack 2
Two carry-on travel backpacks, compared spec for spec.
Bellroy Shift Backpack
| Capacity | 22 L |
| Weight | 1.25 kg |
| Dimensions | 55×30×20 cm |
| Airline fit | 86% |
| Price | $169 |
Feature by feature
| Bellroy Shift Backpack | Feature | Aer Duffel Pack 2 |
|---|---|---|
| Storage | ||
| N | Compression | N |
| None | Expanded Capacity | None |
| 3 | Opening | 0 |
| N | Passport | N |
| N | Passthrough | N |
| Carry | ||
| Y | Backpack | Y |
| N | Hip Belt | N |
| removable | Sternum Strap | Y |
| Inside | ||
| 15in | Laptop | 15in |
| 1 | Main Compartments | 3 |
| N | Organizer | N |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| 1 | Water Bottle Holder | 1 |
| Y | Water Resistant | Y |
| Material | |
| Venture-weave polyester | 900D eco-dyed polyester exterior |
Key differences between the Bellroy Shift Backpack and Aer Duffel Pack 2
- Opening: Top flap on the Bellroy Shift Backpack; Other on the Aer Duffel Pack 2.
- Sternum strap: Removable on the Bellroy Shift Backpack; Yes on the Aer Duffel Pack 2.
- Main compartments: 1 on the Bellroy Shift Backpack; 3 on the Aer Duffel Pack 2.
Both have: backpack straps, laptop sleeve, 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. 163 accept both. Every airline that takes one takes the other.
Bellroy Shift Backpack vs. Aer Duffel Pack 2: which should you pack?
The Aer Duffel Pack 2 carries 2.6000000000000014L more than the Bellroy Shift Backpack (22L vs. 24.6L), while the Aer Duffel Pack 2 is the lighter pack at 1.1kg (vs. 1.25kg). For carry-on flexibility, the Bellroy Shift Backpack fits 86% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Aer Duffel Pack 2; if you want to travel lighter, the Aer Duffel Pack 2 is the better call.