Gossamer Gear Aero Jet vs. Thule Aion 40L
Two carry-on travel backpacks, compared spec for spec.
Gossamer Gear Aero Jet
| Capacity | 35 L |
| Weight | 1.1 kg |
| Dimensions | 53×31×19 cm |
| Airline fit | 88% |
| Price | $225 |
Feature by feature
| Gossamer Gear Aero Jet | Feature | Thule Aion 40L |
|---|---|---|
| Storage | ||
| N | Compression | N |
| None | Expanded Capacity | None |
| 1 | Opening | 1 |
| back | Passport | top |
| Y | Passthrough | Y |
| Carry | ||
| Y | Backpack | Y |
| optional | Hip Belt | optional |
| Y | Sternum Strap | Y |
| Inside | ||
| 17in | Laptop | 16in |
| 4 | Main Compartments | 4 |
| N | Organizer | Y |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| 2, side | Water Bottle Holder | 1, side |
| Y | Water Resistant | Y |
| Material | |
| 210D Recycled Robic Nylon (PFAS-Free) | |
Key differences between the Gossamer Gear Aero Jet and Thule Aion 40L
- Passport pocket: Back on the Gossamer Gear Aero Jet; Top on the Thule Aion 40L.
- Laptop sleeve: 17in on the Gossamer Gear Aero Jet; 16in on the Thule Aion 40L.
- Built-in organizer: No on the Gossamer Gear Aero Jet; Yes on the Thule Aion 40L.
- Water bottle pockets: 2, side on the Gossamer Gear Aero Jet; 1, side on the Thule Aion 40L.
Both have: luggage passthrough, backpack straps, hip belt, sternum strap, water resistant.
Which airlines take each bag as a carry-on
We checked both bags against the carry-on size limits of 189 airlines. 132 accept both. 35 accept only the Gossamer Gear Aero Jet, and 0 accept only the Thule Aion 40L.
Only the Gossamer Gear Aero Jet fits
Air Baltic, Air China, Air Malta, Air Serbia, Air Seychelles, Asiana Airlines, ATA Airlines, Blue Air, Bulgaria Air, China Eastern, Emirates Airlines, Enter Air, flybe, Icelandair, InselAir, Juneyao Airlines, Liat Airlines, Luxair, Meridiana Fly, Nordwind Airlines, Pakistan International, Royal Brunei Airlines, Ryanair, S7, Shandong Airlines, Shenzhen Airlines, Sun Express, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), TUI, Ukraine International, VIM Airlines (Closed), Volotea, Xiamen.
Gossamer Gear Aero Jet vs. Thule Aion 40L: which should you pack?
The Thule Aion 40L carries 5L more than the Gossamer Gear Aero Jet (35L vs. 40L), while the Gossamer Gear Aero Jet is the lighter pack at 1.1kg (vs. 1.5kg). For carry-on flexibility, the Gossamer Gear Aero Jet fits 88% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Thule Aion 40L; if you want to travel lighter, the Gossamer Gear Aero Jet is the better call.