Millican Oli 25L Zip Pack vs Ortlieb Soulo Metrosphere
The Millican Oli 25L Zip Pack is 25L and 1.05kg2.3lb; the Ortlieb Soulo Metrosphere is 25L and 1.05kg2.3lb. They weigh the same. The Millican Oli 25L Zip Pack costs $75 less. The Millican Oli 25L Zip Pack fits the carry-on limit of 35 of 36 major airlines and the Ortlieb Soulo Metrosphere fits 29; under the seat, 0 and 0 of 26.
| Spec | Millican Oli 25L Zip Pack | Ortlieb Soulo Metrosphere |
|---|---|---|
| Price | $170Best | $245 |
| Volume | 25L | 25L |
| Weight | 1.05kg2.3lb | 1.05kg2.3lb |
| Carry-on compliance | 97%Best | 81% |
| Personal-item compliance | 0% | 0% |
| Dimensions | 52×28×18cm20.5×11×7in | 47×36×18cm18.5×14×7in |
| Laptop | 15" | sleeve, size not published |
| Opening | Zip-top | Top-loading, magnetic lid closure |
| Warranty | Lifetime | 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 | Removable | No |
| Sternum strap | Removable | No |
| Load lifters | No | No |
| Shoulder strap | No | No |
| Luggage pass-through | No | No |
| Camera compartment | No | No |
| Bike-ready | No | No |
| Material | Bionic Canvas (35% cotton, 65% recycled polyester, paraffin wax impregnated, C6 DWR); 100% recycled polyester lining; aluminium buckles, leather trim | PU-coated nylon (ps33) |
| Last checked | 2026-09 | 2026-10 |
Where their airline fit differs
| Airline | Limit | Millican Oli 25L Zip Pack | Ortlieb Soulo Metrosphere |
|---|---|---|---|
| Air France | Carry-on | Fits | Too big |
| Avianca | 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 |
| Qatar Airways | Carry-on | Too big | Fits |
| United Airlines | Carry-on | Fits | Too big |
Add more bags to this comparison
Specs come from each brand's own product page. Fit uses listed dimensions in any orientation. How we score carry-on fit.