---
url: "https://onebag.travel/compare/j1xe5qjdcy/matador-beast28-packable-backpack/yshyt43faw/rei-co-op-trail-40/"
title: "Matador Beast28 Packable Backpack vs REI Co-op Trail 40"
description: "Matador Beast28 Packable Backpack vs REI Co-op Trail 40: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/j1xe5qjdcy/matador-beast28-packable-backpack/yshyt43faw/rei-co-op-trail-40/"
---
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3.  Matador Beast28 Packable Backpack vs. REI Co-op Trail 40

# Matador Beast28 Packable Backpack vs. REI Co-op Trail 40

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

## [Matador Beast28 Packable Backpack](https://onebag.travel/carryon/j1xe5qjdcy/matador-beast28-packable-backpack/)

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

![Front facing view of the Matador Beast28 Packable Backpack](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1601600260/carryons/matadog_bkbdww.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>28 L</td></tr><tr><td>Weight</td><td>0.7 kg</td></tr><tr><td>Dimensions</td><td>56×28×18 cm</td></tr><tr><td>Airline fit</td><td>47%</td></tr><tr><td>Price</td><td>$150</td></tr></tbody></table>

## Feature by feature

| Matador Beast28 Packable Backpack | Feature | REI Co-op Trail 40 |
| --- | --- | --- |
| Storage |
| 4 | Compression | 4 |
| None | Expanded Capacity | None |
| 1 | Opening | 1 |
| top | Passport | top |
| N | Passthrough | N |
| Carry |
| Y | Backpack | Y |
| removable | Hip Belt | Y |
| removable | Sternum Strap | removable |
| Inside |
| N | Laptop | N |
| 2 | Main Compartments | 5 |
| N | Organizer | Y |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | Y |
| 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>210D Robic® high tenacity nylon, UTS coated, DWR finish</td><td>210-denier ripstop nylon</td></tr></tbody></table>

## [REI Co-op Trail 40](https://onebag.travel/carryon/yshyt43faw/rei-co-op-trail-40/)

by [REI Co-op](https://onebag.travel/carryons/?brands=REI Co-op)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>40 L</td></tr><tr><td>Weight</td><td>1.2 kg</td></tr><tr><td>Dimensions</td><td>56×30×23 cm</td></tr><tr><td>Airline fit</td><td>47%</td></tr><tr><td>Price</td><td>$130</td></tr></tbody></table>

## Key differences between the Matador Beast28 Packable Backpack and REI Co-op Trail 40

-   **Hip belt:** Removable on the Matador Beast28 Packable Backpack; Yes on the REI Co-op Trail 40.
-   **Main compartments:** 2 on the Matador Beast28 Packable Backpack; 5 on the REI Co-op Trail 40.
-   **Built-in organizer:** No on the Matador Beast28 Packable Backpack; Yes on the REI Co-op Trail 40.
-   **Rain cover:** No on the Matador Beast28 Packable Backpack; Yes on the REI Co-op Trail 40.

Both have: compression straps, passport pocket, backpack straps, sternum strap, 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. 88 accept both. 1 accept only the Matador Beast28 Packable Backpack, and 0 accept only the REI Co-op Trail 40.

### Only the Matador Beast28 Packable Backpack fits

Great Lakes Airlines.

## Matador Beast28 Packable Backpack vs. REI Co-op Trail 40: which should you pack?

The **REI Co-op Trail 40** carries 12L more than the **Matador Beast28 Packable Backpack** (28L vs. 40L), while the **Matador Beast28 Packable Backpack** is the lighter pack at 0.7kg (vs. 1.2kg). For carry-on flexibility, the **Matador Beast28 Packable Backpack** fits 47% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the REI Co-op Trail 40; if you want to travel lighter, the Matador Beast28 Packable Backpack is the better call.