Thule Aion 28L vs. tomtoc TechPack-T73
Two carry-on travel backpacks, compared spec for spec.
Feature by feature
| Thule Aion 28L | Feature | tomtoc TechPack-T73 |
|---|---|---|
| Storage | ||
| N | Compression | N |
| 32L | Expanded Capacity | None |
| 1 | Opening | 1 |
| top | Passport | front, side |
| Y | Passthrough | Y |
| Carry | ||
| Y | Backpack | Y |
| optional | Hip Belt | N |
| Y | Sternum Strap | Y |
| 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 | |
| Waxed P600 polyester canvas | X-Pac front panel, cordura(?) mix |
tomtoc TechPack-T73
| Capacity | 30 L |
| Weight | 1.3 kg |
| Dimensions | 47×31×17 cm |
| Airline fit | 92% |
| Price | $200 |
Key differences between the Thule Aion 28L and tomtoc TechPack-T73
- Passport pocket: Top on the Thule Aion 28L; Front, side on the tomtoc TechPack-T73.
- Hip belt: Optional on the Thule Aion 28L; No on the tomtoc TechPack-T73.
- Main compartments: 4 on the Thule Aion 28L; 5 on the tomtoc TechPack-T73.
Both have: 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. 138 accept both. 1 accept only the Thule Aion 28L, and 36 accept only the tomtoc TechPack-T73.
Only the Thule Aion 28L fits
Great Lakes Airlines.
Only the tomtoc TechPack-T73 fits
Air Baltic, Air China, Air Malta, Air Serbia, Air Seychelles, Asiana Airlines, ATA Airlines, Belavia, 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.
Thule Aion 28L vs. tomtoc TechPack-T73: which should you pack?
The tomtoc TechPack-T73 carries 2L more than the Thule Aion 28L (28L vs. 30L), while the Thule Aion 28L is the lighter pack at 1.2kg (vs. 1.3kg). For carry-on flexibility, the tomtoc TechPack-T73 fits 92% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the tomtoc TechPack-T73; if you want to travel lighter, the Thule Aion 28L is the better call.