Montane Tritium 40 vs Rab Syclon XP 40L Waterproof Pack
The Montane Tritium 40 is 40L and 0.9kg2lb; the Rab Syclon XP 40L Waterproof Pack is 40L and 0.89kg2lb. The Rab Syclon XP 40L Waterproof Pack is 0.01kg0lb lighter. The Montane Tritium 40 fits the carry-on limit of 14 of 36 major airlines and the Rab Syclon XP 40L Waterproof Pack fits 0; under the seat, 0 and 0 of 26.
| Spec | Montane Tritium 40 | Rab Syclon XP 40L Waterproof Pack |
|---|---|---|
| Price | n/a | $225 |
| Volume | 40L | 40L |
| Weight | 0.9kg2lb | 0.89kg2lbBest |
| Carry-on compliance | 39%Best | 0% |
| Personal-item compliance | 0% | 0% |
| Dimensions | 54×32.5×23.5cm21.5×13×9.5in | 63×34×28cm25×13.5×11in |
| Laptop | sleeve, size not published | n/a |
| Bottle pockets | 1 | n/a |
| Opening | Panel access, Large front compartment opening with internal compression | Roll-top, Roll top entry |
| Warranty | Lifetime | Lifetime |
| Organizer | Yes | No |
| Shoe compartment | No | No |
| Hydration sleeve | No | Yes |
| Frame sheet | No | No |
| Water-resistant | No | Yes |
| Rain cover | No | No |
| MOLLE | No | No |
| Hip belt | No | Yes |
| Sternum strap | No | Yes |
| Load lifters | No | No |
| Shoulder strap | No | No |
| Luggage pass-through | No | No |
| Camera compartment | No | No |
| Bike-ready | No | No |
| Material | RAPTOR Balance 330 denier 100% recycled nylon, CONTACT Air Mesh, Halo lining | 40D high tenacity nylon (100% recycled), 100D (85% recycled) high tenacity nylon with Spectra Ripstop |
| Last checked | 2026-10 | 2026-10 |
Where their airline fit differs
| Airline | Limit | Montane Tritium 40 | Rab Syclon XP 40L Waterproof Pack |
|---|---|---|---|
| Air France | Carry-on | Fits | Too big |
| Allegiant Air | Carry-on | 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 |
| easyJet | Carry-on | Fits | Too big |
| Frontier Airlines | Carry-on | Fits | Too big |
| Gol Linhas Aereas | Carry-on | Fits | Too big |
| IndiGo | Carry-on | Fits | Too big |
| KLM | Carry-on | Fits | Too big |
| LATAM Airlines | Carry-on | Fits | Too big |
| Singapore Airlines | Carry-on | Fits | Too big |
| Southwest Airlines | Carry-on | Fits | Too big |
| Volaris | 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.