Béis The Pro Travel Sling vs Kapten & Son Lisbon Crossbody 3.5L
The Béis The Pro Travel Sling is 4L and 0.4kg0.9lb; the Kapten & Son Lisbon Crossbody 3.5L is 3.5L and 0.4kg0.9lb. They weigh the same. The Béis The Pro Travel Sling fits the carry-on limit of 36 of 36 major airlines and the Kapten & Son Lisbon Crossbody 3.5L fits 36; under the seat, 25 and 26 of 26.
| Spec | Béis The Pro Travel Sling | Kapten & Son Lisbon Crossbody 3.5L |
|---|---|---|
| Price | $78 | n/a |
| Volume | 4L | 3.5L |
| Expands to | n/a | 5L |
| Weight | 0.4kg0.9lb | 0.4kg0.9lb |
| Carry-on compliance | 100% | 100% |
| Personal-item compliance | 96% | 100%Best |
| Dimensions | 15×31×9cm6×12×3.5in | 19×24.5×9.5cm7.5×9.5×3.5in |
| Laptop | no laptop sleeve | no laptop sleeve |
| Opening | n/a | Zipper |
| Organizer | No | Yes |
| 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 | No | No |
| Camera compartment | No | No |
| Material | Ballistic nylon body, 200D recycled polyester oxford lining | 85% recycled PET, 10% PU, 5% polyester |
| Last checked | 2026-09 | 2026-10 |
Where their airline fit differs
| Airline | Limit | Béis The Pro Travel Sling | Kapten & Son Lisbon Crossbody 3.5L |
|---|---|---|---|
| Vietjet Air | Personal item | Too big | Fits |
Add more bags to this comparison
Specs come from each brand's own product page. Fit uses listed dimensions in any orientation. How we score carry-on fit.