Aer Sling Bag 3 vs Pacsafe E 12L Anti-Theft Sling Backpack
The Aer Sling Bag 3 is 13.5L and 0.59kg1.3lb; the Pacsafe E 12L Anti-Theft Sling Backpack is 12L and 0.51kg1.1lb. The Pacsafe E 12L Anti-Theft Sling Backpack is 0.08kg0.2lb lighter. The Aer Sling Bag 3 costs $90.94999999999999 less. The Aer Sling Bag 3 fits the carry-on limit of 36 of 36 major airlines and the Pacsafe E 12L Anti-Theft Sling Backpack fits 36; under the seat, 10 and 11 of 26.
| Spec | Aer Sling Bag 3 | Pacsafe E 12L Anti-Theft Sling Backpack |
|---|---|---|
| Price | $89Best | $179.95 |
| Volume | 13.5L | 12L |
| Weight | 0.59kg1.3lb | 0.51kg1.1lbBest |
| Carry-on compliance | 100% | 100% |
| Personal-item compliance | 38% | 42%Best |
| Dimensions | 25×43×15cm10×17×6in | 41×20×11.9cm16×8×4.5in |
| Laptop | 13" | no laptop sleeve |
| Bottle pockets | n/a | 2 |
| Warranty | Lifetime | 5 years |
| Organizer | No | Yes |
| Shoe compartment | Yes | No |
| Hydration sleeve | No | Yes |
| 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 | No | No |
| Luggage pass-through | No | No |
| Camera compartment | No | No |
| Material | 1680D Cordura ballistic nylon exterior, antimicrobial-treated interior liner, YKK zippers, Duraflex plastic hardware | 320D ECONYL regenerated nylon Taslon, water resistant 1000mm, PFC-free; 75D recycled polyester ripstop lining |
| Last checked | 2026-09 | 2026-09 |
Where their airline fit differs
| Airline | Limit | Aer Sling Bag 3 | Pacsafe E 12L Anti-Theft Sling Backpack |
|---|---|---|---|
| WestJet | 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.