Ortlieb Messenger-Bag Pro vs Tortuga Pro Backpack 40L
The Ortlieb Messenger-Bag Pro is 39L and 1.95kg4.3lb; the Tortuga Pro Backpack 40L is 40L and 2kg4.4lb. The Ortlieb Messenger-Bag Pro is 0.05kg0.1lb lighter. The Ortlieb Messenger-Bag Pro costs $125 less. The Ortlieb Messenger-Bag Pro fits the carry-on limit of 18 of 36 major airlines and the Tortuga Pro Backpack 40L fits 14; under the seat, 0 and 0 of 26.
| Spec | Ortlieb Messenger-Bag Pro | Tortuga Pro Backpack 40L |
|---|---|---|
| Price | $225Best | $350 |
| Volume | 39L | 40L |
| Weight | 1.95kg4.3lbBest | 2kg4.4lb |
| Carry-on compliance | 50%Best | 39% |
| Personal-item compliance | 0% | 0% |
| Dimensions | 50×39×15.5cm19.5×15.5×6in | 56×36×20cm22×14×8in |
| Laptop | sleeve, size not published | 16" |
| Bottle pockets | n/a | 2 |
| Compression straps | n/a | 0 |
| Opening | Roll-top, roll closure | Clamshell |
| Warranty | 5 years | Lifetime |
| Organizer | Yes | Yes |
| Shoe compartment | No | No |
| Hydration sleeve | No | No |
| Frame sheet | No | No |
| Water-resistant | Yes | Yes |
| Rain cover | No | No |
| MOLLE | No | No |
| Hip belt | Yes | Yes |
| Sternum strap | Yes | Yes |
| Load lifters | No | Yes |
| Shoulder strap | No | No |
| Luggage pass-through | No | No |
| Camera compartment | No | No |
| Bike-ready | Yes | No |
| Material | PVC-coated polyester (pd620), PVC-coated Cordura (ps620c) | ECOPAK EPX200 |
| Last checked | 2026-10 | 2026-09 |
Where their airline fit differs
| Airline | Limit | Ortlieb Messenger-Bag Pro | Tortuga Pro Backpack 40L |
|---|---|---|---|
| Air Arabia | Carry-on | Fits | Too big |
| Air Canada | Carry-on | Fits | Too big |
| Air India | Carry-on | Fits | Too big |
| AirAsia | Carry-on | Too big | Fits |
| Alaska Airlines | Carry-on | Too big | Fits |
| Allegiant Air | Carry-on | Fits | Too big |
| American Airlines | Carry-on | Too big | Fits |
| ANA (All Nippon Airways) | Carry-on | Fits | Too big |
| Cebu Pacific | Carry-on | Too big | Fits |
| Delta Air Lines | Carry-on | Too big | Fits |
| JetBlue Airways | Carry-on | Too big | Fits |
| Lufthansa | Carry-on | Fits | Too big |
| Norwegian Air Shuttle | Carry-on | Fits | Too big |
| Qantas | Carry-on | Too big | Fits |
| Ryanair | Carry-on | Fits | Too big |
| SAS | Carry-on | Fits | Too big |
| Turkish Airlines | Carry-on | Fits | Too big |
| Vietjet Air | Carry-on | Too big | Fits |
| Volaris | Carry-on | Fits | Too big |
| Vueling | Carry-on | Fits | Too big |
| WestJet | Carry-on | Too big | Fits |
| 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.