Aer Travel Weekender vs Boundary Supply Errant Duffel
The Aer Travel Weekender is 35L and 1.22kg2.7lb; the Boundary Supply Errant Duffel is 35L and 1.17kg2.6lb. The Boundary Supply Errant Duffel is 0.05kg0.1lb lighter. The Aer Travel Weekender costs $10 less. The Aer Travel Weekender fits the carry-on limit of 31 of 36 major airlines and the Boundary Supply Errant Duffel fits 30; under the seat, 0 and 0 of 26.
| Spec | Aer Travel Weekender | Boundary Supply Errant Duffel |
|---|---|---|
| Price | $189Best | $199 |
| Volume | 35L | 35L |
| Weight | 1.22kg2.7lb | 1.17kg2.6lbBest |
| Carry-on compliance | 86%Best | 83% |
| Personal-item compliance | 0% | 0% |
| Dimensions | 30.5×49.5×23cm12×19.5×9in | 50.8×30.5×22.9cm20×12×9in |
| Laptop | 16" | no laptop sleeve |
| Bottle pockets | 2 | n/a |
| Opening | Zippered main compartment | zip top |
| Warranty | Lifetime | Lifetime |
| Organizer | Yes | Yes |
| Shoe compartment | No | Yes |
| 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 | Yes | Removable |
| Luggage pass-through | Yes | Yes |
| Camera compartment | No | No |
| Bike-ready | No | No |
| Material | 1680D CORDURA ballistic nylon exterior (bluesign approved), woven lining (bluesign approved), YKK zippers, Duraflex hardware | 500D Kodra with Barricade DWR coating, Hypalon bottom panel |
| Last checked | 2026-09 | 2026-09 |
Where their airline fit differs
| Airline | Limit | Aer Travel Weekender | Boundary Supply Errant Duffel |
|---|---|---|---|
| Qatar Airways | Carry-on | Fits | Too big |
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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.