Aer Gym Duffel 3 vs Sherpani Boston AT Anti-Theft Weekender
The Aer Gym Duffel 3 is 24.1L and 1.32kg2.9lb; the Sherpani Boston AT Anti-Theft Weekender is 22L and 1.29kg2.8lb. The Sherpani Boston AT Anti-Theft Weekender is 0.03kg0.1lb lighter. The Sherpani Boston AT Anti-Theft Weekender costs $14 less. The Aer Gym Duffel 3 fits the carry-on limit of 31 of 36 major airlines and the Sherpani Boston AT Anti-Theft Weekender fits 25; under the seat, 0 and 0 of 26.
| Spec | Aer Gym Duffel 3 | Sherpani Boston AT Anti-Theft Weekender |
|---|---|---|
| Price | $169 | $155Best |
| Volume | 24.1L | 22L |
| Weight | 1.32kg2.9lb | 1.29kg2.8lbBest |
| Carry-on compliance | 86%Best | 69% |
| Personal-item compliance | 0% | 0% |
| Dimensions | 29×43×23cm11.5×17×9in | 35.6×45.7×21.6cm14×18×8.5in |
| Laptop | 16"Best | 14" |
| Bottle pockets | 2 | n/a |
| Opening | Zippered main compartment | main zip with zipper lock clip, removable bottom zip compartment |
| Warranty | Lifetime | Lifetime |
| Organizer | Yes | No |
| Shoe compartment | Yes | Removable |
| 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 | Yes |
| Luggage pass-through | Yes | Yes |
| Camera compartment | No | No |
| Material | 1680D CORDURA ballistic nylon exterior, antimicrobial-treated liner, YKK zippers, Duraflex hardware | Recycled nylon, dope-dyed and water-resistant |
| Last checked | 2026-09 | 2026-10 |
Where their airline fit differs
| Airline | Limit | Aer Gym Duffel 3 | Sherpani Boston AT Anti-Theft Weekender |
|---|---|---|---|
| Air France | Carry-on | Fits | Too big |
| Avianca | Carry-on | Fits | Too big |
| Emirates | Carry-on | Too big | Fits |
| Gol Linhas Aereas | Carry-on | Fits | Too big |
| IndiGo | Carry-on | Fits | Too big |
| KLM | Carry-on | Fits | Too big |
| LATAM Airlines | Carry-on | Fits | Too big |
| United Airlines | 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.