CALPAK Vault Carry-On Luggage vs Kapten & Son Heathrow Aluminium Cabin
The CALPAK Vault Carry-On Luggage is 38L and 4.54kg10lb; the Kapten & Son Heathrow Aluminium Cabin is 38L and 4.3kg9.5lb. The Kapten & Son Heathrow Aluminium Cabin is 0.24kg0.5lb lighter. The CALPAK Vault Carry-On Luggage fits the carry-on limit of 5 of 36 major airlines and the Kapten & Son Heathrow Aluminium Cabin fits 12; under the seat, 0 and 0 of 26.
| Spec | CALPAK Vault Carry-On Luggage | Kapten & Son Heathrow Aluminium Cabin |
|---|---|---|
| Price | $450 | n/a |
| Volume | 38L | 38L |
| Weight | 4.54kg10lb | 4.3kg9.5lbBest |
| Carry-on compliance | 14% | 33%Best |
| Personal-item compliance | 0% | 0% |
| Dimensions | 55.9×36.2×22.9cm22×14.5×9in | 55×38×23cm21.5×15×9in |
| Opening | zipper-free aluminum frame with two latches | TSA combination lock |
| Organizer | Yes | No |
| Shoe compartment | No | No |
| Hydration sleeve | No | No |
| Frame sheet | No | No |
| Water-resistant | No | 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 | Polycarbonate shell with aluminum frame and metal corner protectors | Outer material: Aluminium / Inner material: Polyester (Composition: 50% aluminium, 38% recycled PET, 3% PU, 3% zinc alloy, 3% ABS, 3% polyester) |
| Last checked | 2026-10 | 2026-10 |
Where their airline fit differs
| Airline | Limit | CALPAK Vault Carry-On Luggage | Kapten & Son Heathrow Aluminium Cabin |
|---|---|---|---|
| Air Canada | Carry-on | Too big | Fits |
| Allegiant Air | Carry-on | Too big | Fits |
| Lufthansa | Carry-on | Too big | Fits |
| Norwegian Air Shuttle | Carry-on | Too big | Fits |
| SAS | Carry-on | Too big | Fits |
| Singapore Airlines | Carry-on | Fits | Too big |
| Turkish Airlines | Carry-on | Too big | Fits |
| Volaris | Carry-on | Too big | Fits |
| Wizz Air | Carry-on | 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.