Lowe Alpine AirZone Active 25 vs Salewa Mountain Trainer 2 25L Backpack
The Lowe Alpine AirZone Active 25 is 25L and 0.945kg2.1lb; the Salewa Mountain Trainer 2 25L Backpack is 25L and 0.95kg2.1lb. The Lowe Alpine AirZone Active 25 is 0.01kg0lb lighter. The Lowe Alpine AirZone Active 25 fits the carry-on limit of 0 of 36 major airlines and the Salewa Mountain Trainer 2 25L Backpack fits 1; under the seat, 0 and 0 of 26.
| Spec | Lowe Alpine AirZone Active 25 | Salewa Mountain Trainer 2 25L Backpack |
|---|---|---|
| Volume | 25L | 25L |
| Weight | 0.945kg2.1lbBest | 0.95kg2.1lb |
| Carry-on compliance | 0% | 3%Best |
| Personal-item compliance | 0% | 0% |
| Dimensions | 63×29×24cm25×11.5×9.5in | 50×26×26cm19.5×10×10in |
| Laptop | no laptop sleeve | n/a |
| Bottle pockets | 2 | n/a |
| Opening | Top-loading, top lid | Top-loading, Zip-top closure with front access to the main compartment |
| Warranty | n/a | 2 years |
| Torso length | 48cm (19in) | n/a |
| Organizer | No | No |
| Shoe compartment | No | No |
| Hydration sleeve | Yes | Yes |
| Frame sheet | No | Removable |
| Water-resistant | Yes | No |
| Rain cover | Yes | Yes |
| MOLLE | No | No |
| Hip belt | Yes | Yes |
| Sternum strap | Yes | Yes |
| Load lifters | No | No |
| Shoulder strap | No | No |
| Luggage pass-through | No | No |
| Camera compartment | No | No |
| Material | 50% recycled outer fabric with PFAS-free DWR | Recycled Nylon 210D Ripstop |
| Last checked | 2026-09 | 2026-10 |
Where their airline fit differs
| Airline | Limit | Lowe Alpine AirZone Active 25 | Salewa Mountain Trainer 2 25L Backpack |
|---|---|---|---|
| Singapore Airlines | Carry-on | Too big | Fits |
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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.