Aer Pro Pack 24L vs Modern Dayfarer DAYFARER Backpack 24L
The Aer Pro Pack 24L is 24L and 1.3kg2.9lb; the Modern Dayfarer DAYFARER Backpack 24L is 24L and 1.3kg2.9lb. They weigh the same. The Aer Pro Pack 24L costs $30 less. The Aer Pro Pack 24L fits the carry-on limit of 36 of 36 major airlines and the Modern Dayfarer DAYFARER Backpack 24L fits 36; under the seat, 0 and 0 of 26.
| Spec | Aer Pro Pack 24L | Modern Dayfarer DAYFARER Backpack 24L |
|---|---|---|
| Price | $199Best | $229 |
| Volume | 24L | 24L |
| Weight | 1.3kg2.9lb | 1.3kg2.9lb |
| Carry-on compliance | 100% | 100% |
| Personal-item compliance | 0% | 0% |
| Dimensions | 47×32×19cm18.5×12.5×7.5in | 48×30.5×20cm19×12×8in |
| Laptop | 16" | 16" |
| Bottle pockets | 2 | 1 |
| Compression straps | 0 | n/a |
| Opening | n/a | Clamshell, full clamshell main compartment, separate laptop compartment, ventilated shoe compartment, quick-access pockets |
| Warranty | Lifetime | n/a |
| Organizer | Yes | Yes |
| Shoe compartment | No | Yes |
| 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 | Yes | Yes |
| Load lifters | No | No |
| Shoulder strap | No | No |
| Luggage pass-through | Yes | No |
| Camera compartment | No | No |
| Material | 840D CORDURA re/cor recycled nylon, bluesign approved | 100% recycled high-tenacity 420D Velocity nylon with PU backing, Fidlock V-Buckle, YKK AquaGuard zippers, Hypalon zipper pulls |
| Last checked | 2026-09 | 2026-10 |
Where their airline fit differs
Both bags pass and fail the same airline size limits.
Add more bags to this comparison
Specs come from each brand's own product page. Fit uses listed dimensions in any orientation. How we score carry-on fit.