OpposeThis Invisible Backpack 3 vs. Vertx Gamut 22L Backpack
Two carry-on travel backpacks, compared spec for spec.
OpposeThis Invisible Backpack 3
| Capacity | 23 L |
| Weight | 0.9 kg |
| Dimensions | 49×35×19 cm |
| Airline fit | 90% |
| Price | $250 |
Feature by feature
| OpposeThis Invisible Backpack 3 | Feature | Vertx Gamut 22L Backpack |
|---|---|---|
| Storage | ||
| N | Compression | N |
| None | Expanded Capacity | None |
| 3 | Opening | 1 |
| top | Passport | top |
| N | Passthrough | Y |
| Carry | ||
| Y | Backpack | Y |
| N | Hip Belt | N |
| removable | Sternum Strap | removable |
| Inside | ||
| 15in | Laptop | 15in |
| 5 | Main Compartments | 4 |
| N | Organizer | N |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| N | Water Bottle Holder | 2, side |
| Y | Water Resistant | Y |
| Material | |
| 800x600D lightweight waterproof nylon-polyester blend | 500D 100% Nylon |
Vertx Gamut 22L Backpack
| Capacity | 22 L |
| Weight | 1.3 kg |
| Dimensions | 53×28×23 cm |
| Airline fit | 70% |
| Price | $230 |
Key differences between the OpposeThis Invisible Backpack 3 and Vertx Gamut 22L Backpack
- Opening: Top flap on the OpposeThis Invisible Backpack 3; Clamshell on the Vertx Gamut 22L Backpack.
- Luggage passthrough: No on the OpposeThis Invisible Backpack 3; Yes on the Vertx Gamut 22L Backpack.
- Main compartments: 5 on the OpposeThis Invisible Backpack 3; 4 on the Vertx Gamut 22L Backpack.
- Water bottle pockets: No on the OpposeThis Invisible Backpack 3; 2, side on the Vertx Gamut 22L Backpack.
Both have: passport pocket, backpack straps, sternum strap, laptop sleeve, water resistant.
Which airlines take each bag as a carry-on
We checked both bags against the carry-on size limits of 189 airlines. 131 accept both. 40 accept only the OpposeThis Invisible Backpack 3, and 2 accept only the Vertx Gamut 22L Backpack.
Only the OpposeThis Invisible Backpack 3 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, Etihad Airways, flybe, Icelandair, InselAir, Juneyao Airlines, Liat Airlines, Luxair, Meridiana Fly, Nordwind Airlines, Oman Air, Pakistan International, Qatar Airways, Royal Brunei Airlines, Royal Jordanian, Ryanair, S7, Shandong Airlines, Shenzhen Airlines, Sun Express, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), TUI, Ukraine International, VIM Airlines (Closed), Volotea, Xiamen.
Only the Vertx Gamut 22L Backpack fits
Cayman Airways, Great Lakes Airlines.
OpposeThis Invisible Backpack 3 vs. Vertx Gamut 22L Backpack: which should you pack?
The OpposeThis Invisible Backpack 3 carries 1L more than the Vertx Gamut 22L Backpack (23L vs. 22L), while the OpposeThis Invisible Backpack 3 is the lighter pack at 0.9kg (vs. 1.3kg). For carry-on flexibility, the OpposeThis Invisible Backpack 3 fits 90% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the OpposeThis Invisible Backpack 3; if you want to travel lighter, the OpposeThis Invisible Backpack 3 is the better call.