Aer City Pack 2 vs Triple Aught Design FAST Pack Scout MK2
The Aer City Pack 2 is 16L and 1.11kg2.4lb; the Triple Aught Design FAST Pack Scout MK2 is 16.1L and 1.13kg2.5lb. The Aer City Pack 2 is 0.02kg0lb lighter. The Aer City Pack 2 costs $146 less. The Aer City Pack 2 fits the carry-on limit of 36 of 36 major airlines and the Triple Aught Design FAST Pack Scout MK2 fits 36; under the seat, 1 and 7 of 26.
| Spec | Aer City Pack 2 | Triple Aught Design FAST Pack Scout MK2 |
|---|---|---|
| Price | $149Best | $295 |
| Volume | 16L | 16.1L |
| Weight | 1.11kg2.4lbBest | 1.13kg2.5lb |
| Carry-on compliance | 100% | 100% |
| Personal-item compliance | 4% | 27%Best |
| Dimensions | 46×30×14cm18×12×5.5in | 44.5×31.8×11.4cm17.5×12.5×4.5in |
| Laptop | 16" | 16" |
| Bottle pockets | 1 | n/a |
| Opening | n/a | Clamshell, full clamshell main compartment, front 3D pocket with admin panel |
| Warranty | Lifetime | No fixed term |
| Organizer | Yes | Yes |
| Shoe compartment | No | No |
| Hydration sleeve | No | Yes |
| Frame sheet | No | Yes |
| Water-resistant | No | No |
| Rain cover | No | No |
| MOLLE | No | Insert sold separately |
| Hip belt | No | No |
| Sternum strap | No | Yes |
| Load lifters | No | Yes |
| Shoulder strap | No | No |
| Luggage pass-through | Yes | No |
| Camera compartment | No | No |
| Material | 1680D CORDURA ballistic nylon exterior (bluesign approved), nylon ripstop liner (bluesign approved), YKK zippers, Duraflex hardware | TexWax 10.10 oz Army Duck, 500D Cordura liner, Hypalon reinforcements, HDPE frame sheet |
| Last checked | 2026-09 | 2026-10 |
Where their airline fit differs
| Airline | Limit | Aer City Pack 2 | Triple Aught Design FAST Pack Scout MK2 |
|---|---|---|---|
| Allegiant Air | Personal item | Too big | Fits |
| American Airlines | Personal item | Too big | Fits |
| British Airways | Personal item | Too big | Fits |
| easyJet | Personal item | Too big | Fits |
| LATAM Airlines | Personal item | Too big | Fits |
| Volaris | Personal item | 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.