Aer Ultra Sling vs Pacsafe W Anti-Theft Micro Sling
The Aer Ultra Sling is 2L and 0.23kg0.5lb; the Pacsafe W Anti-Theft Micro Sling is 2L and 0.22kg0.5lb. The Pacsafe W Anti-Theft Micro Sling is 0.01kg0lb lighter. The Pacsafe W Anti-Theft Micro Sling costs $19.049999999999997 less. The Aer Ultra Sling fits the carry-on limit of 36 of 36 major airlines and the Pacsafe W Anti-Theft Micro Sling fits 36; under the seat, 26 and 26 of 26.
| Spec | Aer Ultra Sling | Pacsafe W Anti-Theft Micro Sling |
|---|---|---|
| Price | $99 | $79.95Best |
| Volume | 2L | 2L |
| Weight | 0.23kg0.5lb | 0.22kg0.5lbBest |
| Carry-on compliance | 100% | 100% |
| Personal-item compliance | 100% | 100% |
| Dimensions | 14×25×7cm5.5×10×3in | 13×19.1×5.6cm5×7.5×2in |
| Laptop | no laptop sleeve | no laptop sleeve |
| Warranty | Lifetime | 5 years |
| Organizer | Yes | 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 | No |
| Load lifters | No | No |
| Shoulder strap | No | No |
| Luggage pass-through | No | No |
| Camera compartment | No | No |
| Material | Ultra200X exterior by Challenge Sailcloth, ripstop nylon interior (bluesign approved), YKK waterproof zippers, Duraflex hardware | 75D recycled polyester, water resistant 1000mm, PFC-free; 150D recycled polyester lining |
| Last checked | 2026-09 | 2026-09 |
Where their airline fit differs
Both bags pass and fail the same airline size limits.
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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.