Aer Duffel Pack 3 X-Pac vs. Aer City Pack Pro 2
Two carry-on travel backpacks, compared spec for spec.
Aer Duffel Pack 3 X-Pac
| Capacity | 21 L |
| Weight | 1.3 kg |
| Dimensions | 52×30×20 cm |
| Airline fit | 88% |
| Price | $210 |
Feature by feature
| Aer Duffel Pack 3 X-Pac | Feature | Aer City Pack Pro 2 |
|---|---|---|
| Storage | ||
| N | Compression | N |
| None | Expanded Capacity | None |
| 0 | Opening | 1 |
| top, side | Passport | top, side |
| Y | Passthrough | Y |
| Carry | ||
| Y | Backpack | Y |
| N | Hip Belt | N |
| removable | Sternum Strap | removable |
| Inside | ||
| 16in | Laptop | 16in |
| 5 | Main Compartments | 4 |
| Y | Organizer | Y |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| 1, side | Water Bottle Holder | 2, side |
| Y | Water Resistant | Y |
| Material | |
| VX-42 X-Pac (also in 1680D Cordura) | 1680D CORDURA® ballistic nylon |
Key differences between the Aer Duffel Pack 3 X-Pac and Aer City Pack Pro 2
- Opening: Other on the Aer Duffel Pack 3 X-Pac; Clamshell on the Aer City Pack Pro 2.
- Main compartments: 5 on the Aer Duffel Pack 3 X-Pac; 4 on the Aer City Pack Pro 2.
- Water bottle pockets: 1, side on the Aer Duffel Pack 3 X-Pac; 2, side on the Aer City Pack Pro 2.
Both have: passport pocket, luggage passthrough, backpack straps, sternum strap, laptop sleeve, built-in organizer, water resistant.
Which airlines take each bag as a carry-on
We checked both bags against the carry-on size limits of 189 airlines. 167 accept both. 0 accept only the Aer Duffel Pack 3 X-Pac, and 10 accept only the Aer City Pack Pro 2.
Only the Aer City Pack Pro 2 fits
American Eagle, Belavia, easyJet, Etihad Airways, Oman Air, Qatar Airways, Ravn Alaska, Regional Express, Royal Jordanian, Virgin Australia.
Aer Duffel Pack 3 X-Pac vs. Aer City Pack Pro 2: which should you pack?
The Aer City Pack Pro 2 carries 3L more than the Aer Duffel Pack 3 X-Pac (21L vs. 24L), while the Aer Duffel Pack 3 X-Pac is the lighter pack at 1.3kg (vs. 1.3kg). For carry-on flexibility, the Aer City Pack Pro 2 fits 94% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Aer City Pack Pro 2; if you want to travel lighter, the Aer Duffel Pack 3 X-Pac is the better call.