Doughnut Absorb vs Ortlieb Soulo
The Doughnut Absorb is 25L and 1.09kg2.4lb; the Ortlieb Soulo is 25L and 1.1kg2.4lb. The Doughnut Absorb is 0.01kg0lb lighter. The Doughnut Absorb fits the carry-on limit of 36 of 36 major airlines and the Ortlieb Soulo fits 20; under the seat, 0 and 0 of 26.
| Spec | Doughnut Absorb | Ortlieb Soulo |
|---|---|---|
| Price | n/a | $220 |
| Volume | 25L | 25L |
| Weight | 1.09kg2.4lbBest | 1.1kg2.4lb |
| Carry-on compliance | 100%Best | 56% |
| Personal-item compliance | 0% | 0% |
| Dimensions | 50×31×15.5cm19.5×12×6in | 47×36.1×18cm18.5×14×7in |
| Laptop | 15" | sleeve, size not published |
| Bottle pockets | 1 | n/a |
| Opening | Top-loading, Drawstring closure; laptop sits in a separate zippered compartment | magnetic lid |
| Warranty | 1 year | 5 years |
| Organizer | Yes | No |
| 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 | No | No |
| Sternum strap | No | Yes |
| Load lifters | No | No |
| Shoulder strap | No | No |
| Luggage pass-through | Yes | No |
| Camera compartment | No | No |
| Material | 420D Cordura Nylon, 420D Nylonplus recycled ocean waste nylon, recycled polyester lining | PU-coated polyester (PS52) |
| Last checked | 2026-10 | 2026-09 |
Where their airline fit differs
| Airline | Limit | Doughnut Absorb | Ortlieb Soulo |
|---|---|---|---|
| Air France | Carry-on | Fits | Too big |
| AirAsia | Carry-on | Fits | Too big |
| Alaska Airlines | Carry-on | Fits | Too big |
| American Airlines | Carry-on | Fits | Too big |
| Avianca | Carry-on | Fits | Too big |
| Cebu Pacific | Carry-on | Fits | Too big |
| Delta Air Lines | Carry-on | Fits | Too big |
| Gol Linhas Aereas | Carry-on | Fits | Too big |
| IndiGo | Carry-on | Fits | Too big |
| JetBlue Airways | Carry-on | Fits | Too big |
| KLM | Carry-on | Fits | Too big |
| LATAM Airlines | Carry-on | Fits | Too big |
| Qantas | Carry-on | Fits | Too big |
| United Airlines | Carry-on | Fits | Too big |
| Vietjet Air | Carry-on | Fits | Too big |
| WestJet | 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.