Berghaus MTN Guide 45L (Men's) vs Lowe Alpine AirZone Trek 45:55
The Berghaus MTN Guide 45L (Men's) is 45L and 1.68kg3.7lb; the Lowe Alpine AirZone Trek 45:55 is 45L and 1.68kg3.7lb. They weigh the same. The Berghaus MTN Guide 45L (Men's) fits the carry-on limit of 3 of 36 major airlines and the Lowe Alpine AirZone Trek 45:55 fits 0; under the seat, 0 and 0 of 26.
| Spec | Berghaus MTN Guide 45L (Men's) | Lowe Alpine AirZone Trek 45:55 |
|---|---|---|
| Volume | 45L | 45L |
| Expands to | n/a | 55L |
| Weight | 1.68kg3.7lb | 1.68kg3.7lb |
| Carry-on compliance | 8%Best | 0% |
| Personal-item compliance | 0% | 0% |
| Dimensions | 57×23×29cm22.5×9×11.5in | 70×34×32cm27.5×13.5×12.5in |
| Bottle pockets | n/a | 2 |
| Opening | Top-loading, Top load with cinch bivvi closure, plus a zip opening at the back system | Top-loading, Lidded top opening plus zipped front entry, with a divider panel |
| Organizer | No | No |
| Shoe compartment | No | No |
| Hydration sleeve | No | Yes |
| Frame sheet | Removable | No |
| Water-resistant | Yes | No |
| Rain cover | No | Yes |
| MOLLE | No | No |
| Hip belt | Removable | Yes |
| Sternum strap | Removable | No |
| Load lifters | No | No |
| Shoulder strap | No | No |
| Luggage pass-through | No | No |
| Camera compartment | No | No |
| Material | TPU coated 420D ripstop nylon; 210D Seawastex nylon on straps and bivvi | n/a |
| Last checked | 2026-10 | 2026-10 |
Where their airline fit differs
| Airline | Limit | Berghaus MTN Guide 45L (Men's) | Lowe Alpine AirZone Trek 45:55 |
|---|---|---|---|
| Frontier Airlines | Carry-on | Fits | Too big |
| Singapore Airlines | Carry-on | Fits | Too big |
| Southwest Airlines | 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.