---
url: "https://onebag.travel/compare/6b94tehlf8/fjallraven-ulvo-23/k4334kffo5/united-by-blue-revolution-25l-convertible-carryall/"
title: "Fjallraven Ulvö 23 vs United by Blue (R)evolution 25L Convertible Carryall"
description: "Fjallraven Ulvö 23 vs United by Blue (R)evolution 25L Convertible Carryall: capacity, weight, dimensions and how many airlines accept each as a carry-on, side…"
source: "https://onebag.travel/compare/6b94tehlf8/fjallraven-ulvo-23/k4334kffo5/united-by-blue-revolution-25l-convertible-carryall/"
---
1.  [Home](https://onebag.travel/)
2.  [Carry-On Travel Backpacks](https://onebag.travel/carryons/)
3.  Fjallraven Ulvö 23 vs. United by Blue (R)evolution 25L Convertible Carryall

# Fjallraven Ulvö 23 vs. United by Blue (R)evolution 25L Convertible Carryall

Two carry-on travel backpacks, compared spec for spec.

## [Fjallraven Ulvö 23](https://onebag.travel/carryon/6b94tehlf8/fjallraven-ulvo-23/)

by [Fjallraven](https://onebag.travel/carryons/?brands=Fjallraven)

![Front facing view of the Fjallraven Ulvö 23](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1624845524/carryons/Fjallraven_Ulvo_23_kdbzzh.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>23 L</td></tr><tr><td>Weight</td><td>0.7 kg</td></tr><tr><td>Dimensions</td><td>45×28×13 cm</td></tr><tr><td>Airline fit</td><td>96%</td></tr><tr><td>Price</td><td>$125</td></tr></tbody></table>

## 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 |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>Bergshell®: 400D 100% polyamide</td><td></td></tr></tbody></table>

## [United by Blue (R)evolution 25L Convertible Carryall](https://onebag.travel/carryon/k4334kffo5/united-by-blue-revolution-25l-convertible-carryall/)

by [United by Blue](https://onebag.travel/carryons/?brands=United by Blue)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>25 L</td></tr><tr><td>Weight</td><td>0 kg</td></tr><tr><td>Dimensions</td><td>39×34×13 cm</td></tr><tr><td>Airline fit</td><td>96%</td></tr><tr><td>Price</td><td>$120</td></tr></tbody></table>

## 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.