Aer Tech Pack vs. Aer Duffel Pack 3 X-Pac
Two carry-on travel backpacks, compared spec for spec.
Feature by feature
| Aer Tech Pack | Feature | Aer Duffel Pack 3 X-Pac |
|---|---|---|
| Storage | ||
| N | Compression | N |
| None | Expanded Capacity | None |
| 0 | Opening | 0 |
| top | Passport | top, side |
| N | Passthrough | Y |
| Carry | ||
| Y | Backpack | Y |
| N | Hip Belt | N |
| removable | Sternum Strap | removable |
| Inside | ||
| 16in | Laptop | 16in |
| 4 | Main Compartments | 5 |
| Y | Organizer | Y |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| 1, side | Water Bottle Holder | 1, side |
| Y | Water Resistant | Y |
| Material | |
| Water-resistant, coated front exterior 1680D Cordura ballistic nylon side exterior YKK AquaGuard zippers | VX-42 X-Pac (also in 1680D Cordura) |
Aer Duffel Pack 3 X-Pac
| Capacity | 21 L |
| Weight | 1.3 kg |
| Dimensions | 52×30×20 cm |
| Airline fit | 88% |
| Price | $210 |
Key differences between the Aer Tech Pack and Aer Duffel Pack 3 X-Pac
- Passport pocket: Top on the Aer Tech Pack; Top, side on the Aer Duffel Pack 3 X-Pac.
- Luggage passthrough: No on the Aer Tech Pack; Yes on the Aer Duffel Pack 3 X-Pac.
- Main compartments: 4 on the Aer Tech Pack; 5 on the Aer Duffel Pack 3 X-Pac.
Both have: backpack straps, sternum strap, laptop sleeve, built-in organizer, 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. 167 accept both. 7 accept only the Aer Tech Pack, and 0 accept only the Aer Duffel Pack 3 X-Pac.
Only the Aer Tech Pack fits
Belavia, Etihad Airways, Oman Air, Qatar Airways, Regional Express, Royal Jordanian, Virgin Australia.
Aer Tech Pack vs. Aer Duffel Pack 3 X-Pac: which should you pack?
The Aer Duffel Pack 3 X-Pac carries 5L more than the Aer Tech Pack (16L vs. 21L), while the Aer Duffel Pack 3 X-Pac is the lighter pack at 1.3kg (vs. 1.5kg). For carry-on flexibility, the Aer Tech Pack fits 92% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Aer Duffel Pack 3 X-Pac; if you want to travel lighter, the Aer Duffel Pack 3 X-Pac is the better call.