Berghaus MTN Guide 45L (Men's) vs Timbuk2 Impulse Travel Backpack
The Berghaus MTN Guide 45L (Men's) is 45L and 1.68kg3.7lb; the Timbuk2 Impulse Travel Backpack is 45L and 1.7kg3.7lb. The Berghaus MTN Guide 45L (Men's) is 0.02kg0lb lighter. The Berghaus MTN Guide 45L (Men's) fits the carry-on limit of 3 of 36 major airlines and the Timbuk2 Impulse Travel Backpack fits 3; under the seat, 0 and 0 of 26.
| Spec | Berghaus MTN Guide 45L (Men's) | Timbuk2 Impulse Travel Backpack |
|---|---|---|
| Price | n/a | $249 |
| Volume | 45L | 45L |
| Weight | 1.68kg3.7lbBest | 1.7kg3.7lb |
| Carry-on compliance | 8% | 8% |
| Personal-item compliance | 0% | 0% |
| Dimensions | 57×23×29cm22.5×9×11.5in | 57×34×15.7cm22.5×13.5×6in |
| Laptop | n/a | 17" |
| Opening | Top-loading, Top load with cinch bivvi closure, plus a zip opening at the back system | n/a |
| Warranty | n/a | Lifetime |
| Organizer | No | No |
| Shoe compartment | No | No |
| Hydration sleeve | No | No |
| Frame sheet | Removable | No |
| Water-resistant | Yes | Yes |
| Rain cover | No | No |
| MOLLE | No | No |
| Hip belt | Removable | Hideable |
| Sternum strap | Removable | Yes |
| 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 | 2026-09 |
Where their airline fit differs
Both bags pass and fail the same airline size limits.
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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.