Kapten & Son Bergen 15L vs ROKA London Camden J Backpack
The Kapten & Son Bergen 15L is 15L and 0.7kg1.5lb; the ROKA London Camden J Backpack is 14.5L and 0.7kg1.5lb. They weigh the same. The Kapten & Son Bergen 15L fits the carry-on limit of 36 of 36 major airlines and the ROKA London Camden J Backpack fits 36; under the seat, 20 and 20 of 26.
| Spec | Kapten & Son Bergen 15L | ROKA London Camden J Backpack |
|---|---|---|
| Volume | 15L | 14.5L |
| Weight | 0.7kg1.5lb | 0.7kg1.5lb |
| Carry-on compliance | 100% | 100% |
| Personal-item compliance | 77% | 77% |
| Dimensions | 39×28×11.5cm15.5×11×4.5in | 40×29×12.5cm15.5×11.5×5in |
| Laptop | 14" | 15"Best |
| Bottle pockets | n/a | 2 |
| Opening | Zipper | Roll-top, Roll-top with magnetic closure over a main zip |
| Warranty | n/a | 2 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 | No |
| Load lifters | No | No |
| Shoulder strap | No | No |
| Luggage pass-through | No | No |
| Camera compartment | No | No |
| Material | 74% recycled PET, 21% PU, 5% polyester | Recycled Canvas |
| Last checked | 2026-10 | 2026-10 |
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.