Aer Day Sling 4 Max vs Rework Toshi Sling 6L V2
The Aer Day Sling 4 Max is 6L and 0.5kg1.1lb; the Rework Toshi Sling 6L V2 is 6L and 0.49kg1.1lb. The Rework Toshi Sling 6L V2 is 0.01kg0lb lighter. The Aer Day Sling 4 Max costs $14 less. The Aer Day Sling 4 Max fits the carry-on limit of 36 of 36 major airlines and the Rework Toshi Sling 6L V2 fits 36; under the seat, 24 and 26 of 26.
| Spec | Aer Day Sling 4 Max | Rework Toshi Sling 6L V2 |
|---|---|---|
| Price | $95Best | $109 |
| Volume | 6L | 6L |
| Weight | 0.5kg1.1lb | 0.49kg1.1lbBest |
| Carry-on compliance | 100% | 100% |
| Personal-item compliance | 92% | 100%Best |
| Dimensions | 21.5×30.5×10cm8.5×12×4in | 20×29×10cm8×11.5×4in |
| Laptop | 11" | no laptop sleeve |
| Opening | Main compartment opens wide | n/a |
| Warranty | Lifetime | Lifetime |
| 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 | Removable |
| 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 | 840D nylon; 210D PFAS-free PU coated ripstop nylon lining; YKK RC zippers with DWR finish, Woojin buckles |
| Last checked | 2026-09 | 2026-10 |
Where their airline fit differs
| Airline | Limit | Aer Day Sling 4 Max | Rework Toshi Sling 6L V2 |
|---|---|---|---|
| Cebu Pacific | Personal item | Too big | Fits |
| Vietjet Air | 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.