Kapten & Son Fyn 13L vs KNKG CORE PRO Backpack Mini 13L
The Kapten & Son Fyn 13L is 13L and 0.8kg1.8lb; the KNKG CORE PRO Backpack Mini 13L is 13L and 0.8kg1.8lb. They weigh the same. The Kapten & Son Fyn 13L fits the carry-on limit of 36 of 36 major airlines and the KNKG CORE PRO Backpack Mini 13L fits 36; under the seat, 20 and 21 of 26.
| Spec | Kapten & Son Fyn 13L | KNKG CORE PRO Backpack Mini 13L |
|---|---|---|
| Price | n/a | $140 |
| Volume | 13L | 13L |
| Weight | 0.8kg1.8lb | 0.8kg1.8lb |
| Carry-on compliance | 100% | 100% |
| Personal-item compliance | 77% | 81%Best |
| Dimensions | 39.5×28.5×12.5cm15.5×11×5in | 35×25×15cm14×10×6in |
| Laptop | 15.6" | no laptop sleeve |
| Opening | Velcro | Zippered main compartment |
| Warranty | n/a | 25 years |
| Organizer | Yes | No |
| Shoe compartment | No | No |
| Hydration sleeve | No | No |
| Frame sheet | No | No |
| Water-resistant | Yes | No |
| 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 | Yes | Yes |
| Camera compartment | No | No |
| Material | 75% recycled PET, 15% PU, 10% polyester | 500D nylon body (PVC backing), ripstop nylon internal lining, YKK zippers, powder-coated steel hardware |
| Last checked | 2026-10 | 2026-10 |
Where their airline fit differs
| Airline | Limit | Kapten & Son Fyn 13L | KNKG CORE PRO Backpack Mini 13L |
|---|---|---|---|
| United Airlines | Personal item | 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.