Kapten & Son Tromso Small 9L vs NIID VIA Backpack 6L
The Kapten & Son Tromso Small 9L is 9L and 0.8kg1.8lb; the NIID VIA Backpack 6L is 6L and 0.73kg1.6lb. The NIID VIA Backpack 6L is 0.07kg0.2lb lighter. The Kapten & Son Tromso Small 9L fits the carry-on limit of 36 of 36 major airlines and the NIID VIA Backpack 6L fits 36; under the seat, 22 and 20 of 26.
| Spec | Kapten & Son Tromso Small 9L | NIID VIA Backpack 6L |
|---|---|---|
| Price | n/a | $119.99 |
| Volume | 9L | 6L |
| Expands to | n/a | 16L |
| Weight | 0.8kg1.8lb | 0.73kg1.6lbBest |
| Carry-on compliance | 100% | 100% |
| Personal-item compliance | 85%Best | 77% |
| Dimensions | 31×26×9.5cm12×10×3.5in | 30×36×12cm12×14×4.5in |
| Laptop | no laptop sleeve | 13" |
| Opening | Flap with magnet and zip | Top-loading, Drawstring closure with a hook-and-loop flap |
| Warranty | n/a | 1 year |
| Organizer | Yes | Yes |
| 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 | 60% PU, 40% recycled PET | Polyester Fabric |
| Last checked | 2026-10 | 2026-10 |
Where their airline fit differs
| Airline | Limit | Kapten & Son Tromso Small 9L | NIID VIA Backpack 6L |
|---|---|---|---|
| AirAsia | Personal item | Fits | Too big |
| Singapore Airlines | Personal item | 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.