Béis The Commuter Duffle vs Knack Expandable Metro Duffel
The Béis The Commuter Duffle is 24.2L and 1.43kg3.2lb; the Knack Expandable Metro Duffel is 26L and 1.36kg3lb. The Knack Expandable Metro Duffel is 0.07kg0.2lb lighter. The Knack Expandable Metro Duffel costs $13 less. The Béis The Commuter Duffle fits the carry-on limit of 30 of 36 major airlines and the Knack Expandable Metro Duffel fits 31; under the seat, 0 and 0 of 26.
| Spec | Béis The Commuter Duffle | Knack Expandable Metro Duffel |
|---|---|---|
| Price | $158 | $145Best |
| Volume | 24.2L | 26L |
| Expands to | n/a | 36L |
| Weight | 1.43kg3.2lb | 1.36kg3lbBest |
| Carry-on compliance | 83% | 86%Best |
| Personal-item compliance | 0% | 0% |
| Dimensions | 30.5×54.6×22.9cm12×21.5×9in | 33×43.2×22.9cm13×17×9in |
| Laptop | 15" | 16"Best |
| Bottle pockets | n/a | 1 |
| Opening | n/a | zip top |
| Organizer | Yes | 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 | No | No |
| Load lifters | No | No |
| Shoulder strap | Removable | Removable |
| Luggage pass-through | Yes | Yes |
| Camera compartment | No | No |
| Bike-ready | No | No |
| Material | Nylon body, PU trim, polyester lining | Water-resistant 900 x 1200 denier high-twist high-density polyester, 150D antimicrobial nylon lining |
| Last checked | 2026-09 | 2026-09 |
Where their airline fit differs
| Airline | Limit | Béis The Commuter Duffle | Knack Expandable Metro Duffel |
|---|---|---|---|
| Qatar Airways | 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.