ALPAKA Momentum Sling vs Modern Dayfarer DAYFARER Sling 2L
The ALPAKA Momentum Sling is 2L and 0.28kg0.6lb; the Modern Dayfarer DAYFARER Sling 2L is 2L and 0.3kg0.7lb. The ALPAKA Momentum Sling is 0.02kg0lb lighter. The ALPAKA Momentum Sling costs $20 less. The ALPAKA Momentum Sling fits the carry-on limit of 36 of 36 major airlines and the Modern Dayfarer DAYFARER Sling 2L fits 36; under the seat, 26 and 26 of 26.
| Spec | ALPAKA Momentum Sling | Modern Dayfarer DAYFARER Sling 2L |
|---|---|---|
| Price | $89Best | $109 |
| Volume | 2L | 2L |
| Weight | 0.28kg0.6lbBest | 0.3kg0.7lb |
| Carry-on compliance | 100% | 100% |
| Personal-item compliance | 100% | 100% |
| Dimensions | 15×30×6cm6×12×2.5in | 17×30×5cm6.5×12×2in |
| Laptop | no laptop sleeve | no laptop sleeve |
| Opening | wide-opening zip main compartment | main compartment zip |
| Warranty | Lifetime | n/a |
| 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 | No | Yes |
| Luggage pass-through | No | No |
| Camera compartment | No | No |
| Material | Axodyne weatherproof composite; YKK AquaGuard zippers | 100% recycled high-tenacity 420D Velocity nylon with PU backing, Fidlock STRIPE and V-Buckle, YKK zipper |
| Last checked | 2026-09 | 2026-10 |
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.