---
url: "https://onebag.travel/compare/5nit7l6pc9/boundary-supply-errant-daypack/ejp4u65swx/boundary-supply-errant-x-pac/"
title: "Boundary Supply Errant Daypack vs Boundary Supply Errant X-Pac"
description: "Boundary Supply Errant Daypack 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/5nit7l6pc9/boundary-supply-errant-daypack/ejp4u65swx/boundary-supply-errant-x-pac/"
---
1.  [Home](https://onebag.travel/)
2.  [Carry-On Travel Backpacks](https://onebag.travel/carryons/)
3.  Boundary Supply Errant Daypack vs. Boundary Supply Errant X-Pac

# Boundary Supply Errant Daypack vs. Boundary Supply Errant X-Pac

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

## [Boundary Supply Errant Daypack](https://onebag.travel/carryon/5nit7l6pc9/boundary-supply-errant-daypack/)

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

![Front facing view of the Boundary Supply Errant Daypack](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1601602232/carryons/boundrysupplyerrant_jn6yol.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>48×26×14 cm</td></tr><tr><td>Airline fit</td><td>93%</td></tr><tr><td>Price</td><td>$269</td></tr></tbody></table>

## Feature by feature

| Boundary Supply Errant Daypack | Feature | Boundary Supply Errant X-Pac |
| --- | --- | --- |
| Storage |
| 1 | Compression | Y |
| None | Expanded Capacity | None |
| 1 | Opening | 3 |
| back | Passport | N |
| Y | Passthrough | N |
| Carry |
| Y | Backpack | Y |
| removable | Hip Belt | N |
| removable | Sternum Strap | Y |
| Inside |
| 15in | Laptop | 17in |
| 5 | Main Compartments | 1 |
| N | Organizer | N |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | N |
| 1, side | Water Bottle Holder | 1 |
| Y | Water Resistant | Y |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>500D Duramax Kodra</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 Boundary Supply Errant Daypack and Boundary Supply Errant X-Pac

-   **Compression straps:** 1 on the Boundary Supply Errant Daypack; Yes on the Boundary Supply Errant X-Pac.
-   **Opening:** Clamshell on the Boundary Supply Errant Daypack; Top flap on the Boundary Supply Errant X-Pac.
-   **Passport pocket:** Back on the Boundary Supply Errant Daypack; No on the Boundary Supply Errant X-Pac.
-   **Luggage passthrough:** Yes on the Boundary Supply Errant Daypack; No on the Boundary Supply Errant X-Pac.
-   **Hip belt:** Removable on the Boundary Supply Errant Daypack; No on the Boundary Supply Errant X-Pac.
-   **Sternum strap:** Removable on the Boundary Supply Errant Daypack; Yes on the Boundary Supply Errant X-Pac.
-   **Laptop sleeve:** 15in on the Boundary Supply Errant Daypack; 17in on the Boundary Supply Errant X-Pac.
-   **Main compartments:** 5 on the Boundary Supply Errant Daypack; 1 on the Boundary Supply Errant X-Pac.
-   **Water bottle pockets:** 1, side on the Boundary Supply Errant Daypack; 1 on the Boundary Supply Errant X-Pac.

Both have: backpack straps, 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. 1 accept only the Boundary Supply Errant Daypack, and 0 accept only the Boundary Supply Errant X-Pac.

### Only the Boundary Supply Errant Daypack fits

Great Lakes Airlines.

## Boundary Supply Errant Daypack vs. Boundary Supply Errant X-Pac: which should you pack?

The **Boundary Supply Errant Daypack** carries the same capacity as the **Boundary Supply Errant X-Pac** (22L vs. 22L), while the **Boundary Supply Errant Daypack** is the lighter pack at 1.4kg (vs. 1.4kg). For carry-on flexibility, the **Boundary Supply Errant Daypack** fits 93% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Boundary Supply Errant Daypack; if you want to travel lighter, the Boundary Supply Errant Daypack is the better call.
