Aer City Pack Pro 2 24L vs ALPAKA Elements Backpack Pro
The Aer City Pack Pro 2 24L is 24L and 1.3kg2.9lb; the ALPAKA Elements Backpack Pro is 24L and 1.3kg2.9lb. They weigh the same. The ALPAKA Elements Backpack Pro costs $30 less. The Aer City Pack Pro 2 24L fits the carry-on limit of 36 of 36 major airlines and the ALPAKA Elements Backpack Pro fits 36; under the seat, 1 and 0 of 26.
| Spec | Aer City Pack Pro 2 24L | ALPAKA Elements Backpack Pro |
|---|---|---|
| Price | $219 | $189Best |
| Volume | 24L | 24L |
| Weight | 1.3kg2.9lb | 1.3kg2.9lb |
| Carry-on compliance | 100% | 100% |
| Personal-item compliance | 4%Best | 0% |
| Dimensions | 46×30×18cm18×12×7in | 48×31×18cm19×12×7in |
| Laptop | 16" | 16" |
| Compartments | 4 | n/a |
| Bottle pockets | 2 | 2 |
| Compression straps | 0 | n/a |
| Opening | Clamshell, clamshell (lay-flat main compartment) | zip main compartment |
| Warranty | Lifetime | Lifetime |
| Organizer | No | Yes |
| Shoe compartment | No | No |
| 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 | Yes |
| Load lifters | No | No |
| Shoulder strap | No | No |
| Luggage pass-through | Yes | Yes |
| Camera compartment | No | No |
| Material | 1680D CORDURA ballistic nylon exterior (bluesign approved), ripstop nylon interior, YKK zippers, Duraflex hardware | Axoflux 400D ripstop nylon exterior; 150D X-Grid ripstop polyester interior |
| Last checked | 2026-09 | 2026-09 |
Where their airline fit differs
| Airline | Limit | Aer City Pack Pro 2 24L | ALPAKA Elements Backpack Pro |
|---|---|---|---|
| Frontier Airlines | Personal item | 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.