Cotopaxi Allpa 38L Roller Bag vs Kapten & Son Heathrow Cabin
The Cotopaxi Allpa 38L Roller Bag is 38L and 3.12kg6.9lb; the Kapten & Son Heathrow Cabin is 38L and 3.1kg6.8lb. The Kapten & Son Heathrow Cabin is 0.02kg0lb lighter. The Cotopaxi Allpa 38L Roller Bag fits the carry-on limit of 0 of 36 major airlines and the Kapten & Son Heathrow Cabin fits 12; under the seat, 0 and 0 of 26.
| Spec | Cotopaxi Allpa 38L Roller Bag | Kapten & Son Heathrow Cabin |
|---|---|---|
| Price | $350 | n/a |
| Volume | 38L | 38L |
| Weight | 3.12kg6.9lb | 3.1kg6.8lbBest |
| Carry-on compliance | 0% | 33%Best |
| Personal-item compliance | 0% | 0% |
| Dimensions | 55.9×35.6×30.5cm22×14×12in | 55×38×23cm21.5×15×9in |
| Laptop | no laptop sleeve | n/a |
| Opening | Clamshell, Split case design | Zipper, TSA combination lock |
| Warranty | Lifetime | n/a |
| Organizer | No | 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 | Water-resistant TPU-coated polyester with ballistic nylon paneling | Outer material: polycarbonate / Inner material: polyester (composition: 45% polycarbonate, 40% recycled PET, 4% aluminium, 3% zinc alloy, 3% ABS, 3% polyester, 2% PU) |
| Last checked | 2026-09 | 2026-10 |
Where their airline fit differs
| Airline | Limit | Cotopaxi Allpa 38L Roller Bag | Kapten & Son Heathrow Cabin |
|---|---|---|---|
| Air Canada | Carry-on | Too big | Fits |
| Allegiant Air | Carry-on | Too big | Fits |
| British Airways | Carry-on | Too big | Fits |
| easyJet | Carry-on | Too big | Fits |
| Frontier Airlines | 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 |
| Southwest Airlines | Carry-on | Too big | Fits |
| 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.