Aer Go Pack 2 vs Montane Tritium 20
The Aer Go Pack 2 is 20L and 0.6kg1.3lb; the Montane Tritium 20 is 20L and 0.58kg1.3lb. The Montane Tritium 20 is 0.02kg0lb lighter. The Aer Go Pack 2 fits the carry-on limit of 36 of 36 major airlines and the Montane Tritium 20 fits 3; under the seat, 9 and 0 of 26.
| Spec | Aer Go Pack 2 | Montane Tritium 20 |
|---|---|---|
| Price | $99 | n/a |
| Volume | 20L | 20L |
| Weight | 0.6kg1.3lb | 0.58kg1.3lbBest |
| Carry-on compliance | 100%Best | 8% |
| Personal-item compliance | 35%Best | 0% |
| Dimensions | 43×28×14cm17×11×5.5in | 58×27.5×15cm23×11×6in |
| Laptop | 16" | sleeve, size not published |
| Compartments | 3 | n/a |
| Bottle pockets | 2 | 1 |
| Compression straps | 0 | n/a |
| Opening | n/a | Roll-top, Roll top opening |
| Warranty | Lifetime | Lifetime |
| Organizer | No | Yes |
| Shoe compartment | No | No |
| Hydration sleeve | No | No |
| Frame sheet | No | No |
| Water-resistant | No | No |
| Rain cover | No | No |
| MOLLE | No | No |
| Hip belt | No | No |
| Sternum strap | No | No |
| Load lifters | No | No |
| Shoulder strap | No | No |
| Luggage pass-through | Yes | No |
| Camera compartment | No | No |
| Material | 210D Cordura crinkle nylon exterior (bluesign approved), soft woven lining, YKK zippers, Duraflex hardware | RAPTOR Balance 330 denier 100% recycled nylon, CONTACT Air Mesh, Halo lining |
| Last checked | 2026-09 | 2026-10 |
Where their airline fit differs
| Airline | Limit | Aer Go Pack 2 | Montane Tritium 20 |
|---|---|---|---|
| Air Arabia | Carry-on | Fits | Too big |
| Air Canada | Carry-on | Fits | Too big |
| Air Canada | Personal item | Fits | Too big |
| Air France | Carry-on | Fits | Too big |
| Air India | Carry-on | Fits | Too big |
| AirAsia | Carry-on | Fits | Too big |
| Alaska Airlines | Carry-on | Fits | Too big |
| Allegiant Air | Carry-on | Fits | Too big |
| Allegiant Air | Personal item | Fits | Too big |
| American Airlines | Carry-on | Fits | Too big |
| American Airlines | Personal item | Fits | Too big |
| ANA (All Nippon Airways) | Carry-on | Fits | Too big |
| Avianca | Carry-on | Fits | Too big |
| British Airways | Carry-on | Fits | Too big |
| British Airways | Personal item | Fits | Too big |
| Cebu Pacific | Carry-on | Fits | Too big |
| Delta Air Lines | Carry-on | Fits | Too big |
| easyJet | Carry-on | Fits | Too big |
| easyJet | Personal item | Fits | Too big |
| Emirates | Carry-on | Fits | Too big |
| Frontier Airlines | Personal item | Fits | Too big |
| Gol Linhas Aereas | Carry-on | Fits | Too big |
| IndiGo | Carry-on | Fits | Too big |
| JetBlue Airways | Carry-on | Fits | Too big |
| JetBlue Airways | Personal item | Fits | Too big |
| KLM | Carry-on | Fits | Too big |
| LATAM Airlines | Carry-on | Fits | Too big |
| LATAM Airlines | Personal item | Fits | Too big |
| Lufthansa | Carry-on | Fits | Too big |
| Norwegian Air Shuttle | Carry-on | Fits | Too big |
| Qantas | Carry-on | Fits | Too big |
| Qatar Airways | Carry-on | Fits | Too big |
| Ryanair | Carry-on | Fits | Too big |
| SAS | Carry-on | Fits | Too big |
| Turkish Airlines | Carry-on | Fits | Too big |
| United Airlines | Carry-on | Fits | Too big |
| Vietjet Air | Carry-on | Fits | Too big |
| Volaris | Carry-on | Fits | Too big |
| Volaris | Personal item | Fits | Too big |
| Vueling | Carry-on | Fits | Too big |
| WestJet | Carry-on | Fits | Too big |
| Wizz Air | Carry-on | Fits | Too big |
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Specs come from each brand's own product page. Fit uses listed dimensions in any orientation. How we score carry-on fit.