ALPAKA Metro Sling V2 vs ALPAKA Momentum Sling
The ALPAKA Metro Sling V2 is 1.5L and 0.28kg0.6lb; the ALPAKA Momentum Sling is 2L and 0.28kg0.6lb. They weigh the same. The ALPAKA Metro Sling V2 costs $30 less. The ALPAKA Metro Sling V2 fits the carry-on limit of 36 of 36 major airlines and the ALPAKA Momentum Sling fits 36; under the seat, 26 and 26 of 26.
| Spec | ALPAKA Metro Sling V2 | ALPAKA Momentum Sling |
|---|---|---|
| Price | $59Best | $89 |
| Volume | 1.5L | 2L |
| Weight | 0.28kg0.6lb | 0.28kg0.6lb |
| Carry-on compliance | 100% | 100% |
| Personal-item compliance | 100% | 100% |
| Dimensions | 22×16.5×8cm8.5×6.5×3in | 15×30×6cm6×12×2.5in |
| Laptop | no laptop sleeve | no laptop sleeve |
| Compartments | 2 | n/a |
| Opening | zippered front and main compartments | wide-opening zip main compartment |
| 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 | No |
| Luggage pass-through | No | No |
| Camera compartment | No | No |
| Material | Axoflux 300D exterior; Axoflux X-Grid 150D ripstop polyester interior; YKK AquaGuard zippers | Axodyne weatherproof composite; YKK AquaGuard zippers |
| 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.