Aer Travel Pack 4 35L vs. Aer City Pack X-Pac
Two carry-on travel backpacks, compared spec for spec.
Aer Travel Pack 4 35L
| Capacity | 35 L |
| Weight | 1.8 kg |
| Dimensions | 55×34×23 cm |
| Airline fit | 68% |
| Price | $260 |
Feature by feature
| Aer Travel Pack 4 35L | Feature | Aer City Pack X-Pac |
|---|---|---|
| Storage | ||
| N | Compression | N |
| None | Expanded Capacity | None |
| 1 | Opening | 1 |
| top | Passport | top |
| Y | Passthrough | Y |
| Carry | ||
| Y | Backpack | Y |
| optional | 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 |
| 2, side | Water Bottle Holder | 2, side |
| Y | Water Resistant | Y |
| Material | |
| 1680D CORDURA® ballistic nylon exterior (bluesign® approved) | VX-42 X-Pac |
Key differences between the Aer Travel Pack 4 35L and Aer City Pack X-Pac
- Hip belt: Optional on the Aer Travel Pack 4 35L; No on the Aer City Pack X-Pac.
- Main compartments: 5 on the Aer Travel Pack 4 35L; 4 on the Aer City Pack X-Pac.
Both have: passport pocket, luggage passthrough, 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. 129 accept both. 0 accept only the Aer Travel Pack 4 35L, and 49 accept only the Aer City Pack X-Pac.
Only the Aer City Pack X-Pac fits
Air Baltic, Air China, Air Malta, Air Niugini, Air Serbia, Air Seychelles, American Eagle, Asiana Airlines, ATA Airlines, Belavia, Blue Air, Bulgaria Air, China Eastern, easyJet, Emirates Airlines, Enter Air, Etihad Airways, flybe, Icelandair, InselAir, Juneyao Airlines, Liat Airlines, Luxair, Meridiana Fly, Nordwind Airlines, Oman Air, Pakistan International, Qatar Airways, Ravn Alaska, Regional Express, Royal Brunei Airlines, Royal Jordanian, Ryanair, S7, Scoot, Shandong Airlines, Shenzhen Airlines, Sun Express, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), Tiger Airways, TUI, Ukraine International, VIM Airlines (Closed), Virgin Australia, Volotea, WestJet, Xiamen.
Aer Travel Pack 4 35L vs. Aer City Pack X-Pac: which should you pack?
The Aer Travel Pack 4 35L carries 21L more than the Aer City Pack X-Pac (35L vs. 14L), while the Aer City Pack X-Pac is the lighter pack at 1.1kg (vs. 1.8kg). For carry-on flexibility, the Aer City Pack X-Pac fits 94% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Aer Travel Pack 4 35L; if you want to travel lighter, the Aer City Pack X-Pac is the better call.