Aer Day Sling 4 Max vs Nomatic Navigator RS Sling 6L
The Aer Day Sling 4 Max is 6L and 0.5kg1.1lb; the Nomatic Navigator RS Sling 6L is 6L and 0.54kg1.2lb. The Aer Day Sling 4 Max is 0.04kg0.1lb lighter. The Aer Day Sling 4 Max costs $24.989999999999995 less. The Aer Day Sling 4 Max fits the carry-on limit of 36 of 36 major airlines and the Nomatic Navigator RS Sling 6L fits 36; under the seat, 24 and 24 of 26.
| Spec | Aer Day Sling 4 Max | Nomatic Navigator RS Sling 6L |
|---|---|---|
| Price | $95Best | $119.99 |
| Volume | 6L | 6L |
| Weight | 0.5kg1.1lbBest | 0.54kg1.2lb |
| Carry-on compliance | 100% | 100% |
| Personal-item compliance | 92% | 92% |
| Dimensions | 21.5×30.5×10cm8.5×12×4in | 33×21.6×8.9cm13×8.5×3.5in |
| Laptop | 11" | no laptop sleeve |
| Bottle pockets | n/a | 1 |
| Opening | Main compartment opens wide | n/a |
| 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 | 1680D CORDURA ballistic nylon exterior (bluesign approved), lightweight ripstop nylon interior (bluesign approved), YKK zippers, Duraflex hardware | 420D nylon ripstop with carbonate coating, 200D polyester liner |
| 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.