Able Carry Core Sling vs Aer Day Sling 4
The Able Carry Core Sling is 2.5L and 0.32kg0.7lb; the Aer Day Sling 4 is 2.5L and 0.34kg0.7lb. The Able Carry Core Sling is 0.02kg0lb lighter. The Aer Day Sling 4 costs $11 less. The Able Carry Core Sling fits the carry-on limit of 36 of 36 major airlines and the Aer Day Sling 4 fits 36; under the seat, 26 and 26 of 26.
| Spec | Able Carry Core Sling | Aer Day Sling 4 |
|---|---|---|
| Price | $90 | $79Best |
| Volume | 2.5L | 2.5L |
| Weight | 0.32kg0.7lbBest | 0.34kg0.7lb |
| Carry-on compliance | 100% | 100% |
| Personal-item compliance | 100% | 100% |
| Dimensions | 14×26×8cm5.5×10×3in | 15×24×7.5cm6×9.5×3in |
| Laptop | no laptop sleeve | 8.3" |
| Opening | n/a | Main compartment opens wide |
| Warranty | Lifetime | Lifetime |
| Organizer | Yes | Yes |
| Shoe compartment | No | No |
| Hydration sleeve | No | No |
| Frame sheet | No | No |
| Water-resistant | Yes | No |
| Rain cover | No | No |
| MOLLE | No | No |
| Hip belt | No | No |
| Sternum strap | No | No |
| Load lifters | No | No |
| Shoulder strap | Removable | No |
| Luggage pass-through | No | No |
| Camera compartment | No | No |
| Material | re/cor recycled Cordura nylon or UltraWeave 200x, PFAS-free DWR | 1680D CORDURA ballistic nylon exterior (bluesign approved), lightweight ripstop nylon interior (bluesign approved), YKK zippers, Duraflex hardware |
| 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.