Boundary Supply Prima vs. Bellroy Transit Workpack Pro 28L
Two carry-on travel backpacks, compared spec for spec.
Boundary Supply Prima
| Capacity | 30 L |
| Weight | 1.9 kg |
| Dimensions | 53×31×18 cm |
| Airline fit | 88% |
| Price | $319 |
Feature by feature
| Boundary Supply Prima | Feature | Bellroy Transit Workpack Pro 28L |
|---|---|---|
| Storage | ||
| 2 | Compression | N |
| None | Expanded Capacity | None |
| 3 | Opening | 1 |
| top | Passport | side |
| Y | Passthrough | Y |
| Carry | ||
| Y | Backpack | Y |
| removable | Hip Belt | N |
| removable | Sternum Strap | removable |
| Inside | ||
| 16in | Laptop | 16in |
| 0 | Main Compartments | 5 |
| Y | Organizer | Y |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| 1, side | Water Bottle Holder | 1, side |
| Y | Water Resistant | Y |
| Material | |
| 500D Kodra Nylon YKK StormGuard | Recycled Dura Nylon |
Bellroy Transit Workpack Pro 28L
| Capacity | 28 L |
| Weight | 1.1 kg |
| Dimensions | 53×27×17 cm |
| Airline fit | 89% |
| Price | $260 |
Key differences between the Boundary Supply Prima and Bellroy Transit Workpack Pro 28L
- Compression straps: 2 on the Boundary Supply Prima; No on the Bellroy Transit Workpack Pro 28L.
- Opening: Top flap on the Boundary Supply Prima; Clamshell on the Bellroy Transit Workpack Pro 28L.
- Passport pocket: Top on the Boundary Supply Prima; Side on the Bellroy Transit Workpack Pro 28L.
- Hip belt: Removable on the Boundary Supply Prima; No on the Bellroy Transit Workpack Pro 28L.
Both have: luggage passthrough, backpack straps, sternum strap, laptop sleeve, built-in organizer, water bottle pockets, water resistant.
Which airlines take each bag as a carry-on
We checked both bags against the carry-on size limits of 189 airlines. 167 accept both. 0 accept only the Boundary Supply Prima, and 1 accept only the Bellroy Transit Workpack Pro 28L.
Only the Bellroy Transit Workpack Pro 28L fits
Great Lakes Airlines.
Boundary Supply Prima vs. Bellroy Transit Workpack Pro 28L: which should you pack?
The Boundary Supply Prima carries 2L more than the Bellroy Transit Workpack Pro 28L (30L vs. 28L), while the Bellroy Transit Workpack Pro 28L is the lighter pack at 1.1kg (vs. 1.9kg). For carry-on flexibility, the Bellroy Transit Workpack Pro 28L fits 89% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Boundary Supply Prima; if you want to travel lighter, the Bellroy Transit Workpack Pro 28L is the better call.