Brevite Rucksack vs Kapten & Son Aalborg 18L
The Brevite Rucksack is 18L and 0.82kg1.8lb; the Kapten & Son Aalborg 18L is 18L and 0.8kg1.8lb. The Kapten & Son Aalborg 18L is 0.02kg0lb lighter. The Brevite Rucksack fits the carry-on limit of 36 of 36 major airlines and the Kapten & Son Aalborg 18L fits 36; under the seat, 7 and 9 of 26.
| Spec | Brevite Rucksack | Kapten & Son Aalborg 18L |
|---|---|---|
| Price | $219.99 | n/a |
| Volume | 18L | 18L |
| Expands to | 20L | n/a |
| Weight | 0.82kg1.8lb | 0.8kg1.8lbBest |
| Carry-on compliance | 100% | 100% |
| Personal-item compliance | 27% | 35%Best |
| Dimensions | 44.5×29.8×14.6cm17.5×11.5×5.5in | 42×29×15cm16.5×11.5×6in |
| Laptop | 16"Best | 15.6" |
| Bottle pockets | 1 | n/a |
| Opening | double-clip flap over expandable drawcord top, quick side camera access | Zipper |
| Warranty | Lifetime | n/a |
| Organizer | Removable | 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 | Yes | No |
| Load lifters | No | No |
| Shoulder strap | No | No |
| Luggage pass-through | Yes | No |
| Camera compartment | Yes | No |
| Material | Recycled 640D polyester, water resistant; 210D nylon oxford lining | 75% recycled PET, 15% PU, 10% polyester |
| Last checked | 2026-10 | 2026-10 |
Where their airline fit differs
| Airline | Limit | Brevite Rucksack | Kapten & Son Aalborg 18L |
|---|---|---|---|
| Air Canada | Personal item | Too big | Fits |
| JetBlue Airways | 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.