Fjallraven Ulvö 23 vs. United by Blue (R)evolution 25L Convertible Carryall
Two carry-on travel backpacks, compared spec for spec.
Fjallraven Ulvö 23
| Capacity | 23 L |
| Weight | 0.7 kg |
| Dimensions | 45×28×13 cm |
| Airline fit | 96% |
| Price | $125 |
Feature by feature
| Fjallraven Ulvö 23 | Feature | United by Blue (R)evolution 25L Convertible Carryall |
|---|---|---|
| Storage | ||
| 2 | Compression | N |
| None | Expanded Capacity | None |
| 4 | Opening | 0 |
| front | Passport | front |
| N | Passthrough | N |
| Carry | ||
| Y | Backpack | hideable |
| N | Hip Belt | N |
| removable | Sternum Strap | removable |
| Inside | ||
| 15in | Laptop | 15in |
| 2 | Main Compartments | 2 |
| N | Organizer | N |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| 2, side | Water Bottle Holder | 2, side |
| Y | Water Resistant | Y |
| Material | |
| Bergshell®: 400D 100% polyamide | |
United by Blue (R)evolution 25L Convertible Carryall
| Capacity | 25 L |
| Weight | 0 kg |
| Dimensions | 39×34×13 cm |
| Airline fit | 96% |
| Price | $120 |
Key differences between the Fjallraven Ulvö 23 and United by Blue (R)evolution 25L Convertible Carryall
- Compression straps: 2 on the Fjallraven Ulvö 23; No on the United by Blue (R)evolution 25L Convertible Carryall.
- Opening: Top zip on the Fjallraven Ulvö 23; Other on the United by Blue (R)evolution 25L Convertible Carryall.
- Backpack straps: Yes on the Fjallraven Ulvö 23; Hideable on the United by Blue (R)evolution 25L Convertible Carryall.
Both have: passport pocket, sternum strap, laptop sleeve, 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. 179 accept both. 2 accept only the Fjallraven Ulvö 23, and 2 accept only the United by Blue (R)evolution 25L Convertible Carryall.
Only the Fjallraven Ulvö 23 fits
Air Niugini, Great Lakes Airlines.
Only the United by Blue (R)evolution 25L Convertible Carryall fits
VivaColombia, Volaris.
Fjallraven Ulvö 23 vs. United by Blue (R)evolution 25L Convertible Carryall: which should you pack?
The United by Blue (R)evolution 25L Convertible Carryall carries 2L more than the Fjallraven Ulvö 23 (23L vs. 25L), and the two are closely matched on weight. For carry-on flexibility, the Fjallraven Ulvö 23 fits 96% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the United by Blue (R)evolution 25L Convertible Carryall; if you want to travel lighter, the Fjallraven Ulvö 23 is the better call.