Black Voyage Vesper Air vs Heimplanet Transit Line Daypack 24L
The Black Voyage Vesper Air is 24L and 1kg2.2lb; the Heimplanet Transit Line Daypack 24L is 24L and 1kg2.2lb. They weigh the same. The Black Voyage Vesper Air fits the carry-on limit of 36 of 36 major airlines and the Heimplanet Transit Line Daypack 24L fits 36; under the seat, 1 and 0 of 26.
| Spec | Black Voyage Vesper Air | Heimplanet Transit Line Daypack 24L |
|---|---|---|
| Price | $279.99 | n/a |
| Volume | 24L | 24L |
| Weight | 1kg2.2lb | 1kg2.2lb |
| Carry-on compliance | 100% | 100% |
| Personal-item compliance | 4%Best | 0% |
| Dimensions | 46×30×18cm18×12×7in | 50×30×18cm19.5×12×7in |
| Laptop | 16" | 16" |
| Bottle pockets | 1 | 0 |
| Compression straps | n/a | 0 |
| Opening | Clamshell, full clamshell opening | Clamshell |
| Warranty | Lifetime | Lifetime |
| Organizer | Yes | No |
| Shoe compartment | No | No |
| Hydration sleeve | No | No |
| Frame sheet | No | No |
| Water-resistant | Yes | Yes |
| Rain cover | No | No |
| MOLLE | No | No |
| Hip belt | No | No |
| Sternum strap | Yes | No |
| Load lifters | No | Yes |
| Shoulder strap | No | No |
| Luggage pass-through | Yes | Yes |
| Camera compartment | No | No |
| Material | Cordura 500D water-repellent nylon, Ecopak EPLX 200 or Ultra 400; polyester lining; YKK water-repellent zippers | Dyecoshell 840D x 660D nylon, spun-dyed, PU, DWR shell; polyester lining; YKK zippers |
| Last checked | 2026-10 | 2026-09 |
Where their airline fit differs
| Airline | Limit | Black Voyage Vesper Air | Heimplanet Transit Line Daypack 24L |
|---|---|---|---|
| Frontier Airlines | Personal item | Fits | Too big |
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.