---
url: "https://onebag.travel/compare/5c3yecvkhf/fjallraven-ulvo-rolltop-23/ejp4u65swx/boundary-supply-errant-x-pac/"
title: "Fjallraven Ulvö Rolltop 23 vs Boundary Supply Errant X-Pac"
description: "Fjallraven Ulvö Rolltop 23 vs Boundary Supply Errant X-Pac: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/5c3yecvkhf/fjallraven-ulvo-rolltop-23/ejp4u65swx/boundary-supply-errant-x-pac/"
---
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3.  Fjallraven Ulvö Rolltop 23 vs. Boundary Supply Errant X-Pac

# Fjallraven Ulvö Rolltop 23 vs. Boundary Supply Errant X-Pac

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

## [Fjallraven Ulvö Rolltop 23](https://onebag.travel/carryon/5c3yecvkhf/fjallraven-ulvo-rolltop-23/)

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

![Front facing view of the Fjallraven Ulvö Rolltop 23](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1624851282/carryons/Fjallraven_Roll_Top_23_gmuthk.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>0.65 kg</td></tr><tr><td>Dimensions</td><td>43×26×12 cm</td></tr><tr><td>Airline fit</td><td>96%</td></tr><tr><td>Price</td><td>$135</td></tr></tbody></table>

## 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 |

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

## [Boundary Supply Errant X-Pac](https://onebag.travel/carryon/ejp4u65swx/boundary-supply-errant-x-pac/)

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

![Front facing view of the Boundary Supply Errant X-Pac](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1620709756/carryons/Boundary_Supply_X-Pac_vfjtoh.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>22 L</td></tr><tr><td>Weight</td><td>1.4 kg</td></tr><tr><td>Dimensions</td><td>48×29×14 cm</td></tr><tr><td>Airline fit</td><td>93%</td></tr><tr><td>Price</td><td>$250</td></tr></tbody></table>

## 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.