Fjallraven Ulvö Rolltop 23 vs. Boundary Supply Errant X-Pac
Two carry-on travel backpacks, compared spec for spec.
Fjallraven Ulvö Rolltop 23
| Capacity | 23 L |
| Weight | 0.65 kg |
| Dimensions | 43×26×12 cm |
| Airline fit | 96% |
| Price | $135 |
Feature by feature
| Fjallraven Ulvö Rolltop 23 | Feature | Boundary Supply Errant X-Pac |
|---|---|---|
| Storage | ||
| Y | Compression | Y |
| None | Expanded Capacity | None |
| 2 | Opening | 3 |
| N | Passport | N |
| N | Passthrough | N |
| Carry | ||
| Y | Backpack | Y |
| N | Hip Belt | N |
| Y | Sternum Strap | Y |
| Inside | ||
| 15in | Laptop | 17in |
| 1 | Main Compartments | 1 |
| N | Organizer | N |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| 2 | Water Bottle Holder | 1 |
| Y | Water Resistant | Y |
| Material | |
| Bergshell®: 400D 100% polyamide | X-Pac |
Boundary Supply Errant X-Pac
| Capacity | 22 L |
| Weight | 1.4 kg |
| Dimensions | 48×29×14 cm |
| Airline fit | 93% |
| Price | $250 |
Key differences between the Fjallraven Ulvö Rolltop 23 and Boundary Supply Errant X-Pac
- Opening: Rolltop on the Fjallraven Ulvö Rolltop 23; Top flap on the Boundary Supply Errant X-Pac.
- Laptop sleeve: 15in on the Fjallraven Ulvö Rolltop 23; 17in on the Boundary Supply Errant X-Pac.
- Water bottle pockets: 2 on the Fjallraven Ulvö Rolltop 23; 1 on the Boundary Supply Errant X-Pac.
Both have: compression straps, backpack straps, sternum strap, water resistant.
Which airlines take each bag as a carry-on
We checked both bags against the carry-on size limits of 189 airlines. 175 accept both. 6 accept only the Fjallraven Ulvö Rolltop 23, and 0 accept only the Boundary Supply Errant X-Pac.
Only the Fjallraven Ulvö Rolltop 23 fits
Air Tahiti, American Eagle, easyJet, Great Lakes Airlines, Gulf Air, Ravn Alaska.
Fjallraven Ulvö Rolltop 23 vs. Boundary Supply Errant X-Pac: which should you pack?
The Fjallraven Ulvö Rolltop 23 carries 1L more than the Boundary Supply Errant X-Pac (23L vs. 22L), while the Fjallraven Ulvö Rolltop 23 is the lighter pack at 0.65kg (vs. 1.4kg). For carry-on flexibility, the Fjallraven Ulvö Rolltop 23 fits 96% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Fjallraven Ulvö Rolltop 23; if you want to travel lighter, the Fjallraven Ulvö Rolltop 23 is the better call.