---
url: "https://onebag.travel/compare/ezo9frgw66/osprey-transporter-carryon-44/yshyt43faw/rei-co-op-trail-40/"
title: "Osprey Transporter Carryon 44 vs REI Co-op Trail 40"
description: "Osprey Transporter Carryon 44 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/ezo9frgw66/osprey-transporter-carryon-44/yshyt43faw/rei-co-op-trail-40/"
---
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3.  Osprey Transporter Carryon 44 vs. REI Co-op Trail 40

# Osprey Transporter Carryon 44 vs. REI Co-op Trail 40

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

## [Osprey Transporter Carryon 44](https://onebag.travel/carryon/ezo9frgw66/osprey-transporter-carryon-44/)

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

![Front facing view of the Osprey Transporter Carryon 44](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990420/carryons/osprey-transporter-carryon-44-ezo9frgw66.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>0.9 kg</td></tr><tr><td>Dimensions</td><td>43×25×23 cm</td></tr><tr><td>Airline fit</td><td>75%</td></tr><tr><td>Price</td><td>$160</td></tr></tbody></table>

## Feature by feature

| Osprey Transporter Carryon 44 | Feature | REI Co-op Trail 40 |
| --- | --- | --- |
| Storage |
| 2 | Compression | 4 |
| None | Expanded Capacity | None |
| 0 | Opening | 1 |
| top | Passport | top |
| N | Passthrough | N |
| Carry |
| Y | Backpack | Y |
| Y | Hip Belt | Y |
| removable | Sternum Strap | removable |
| Inside |
| N | Laptop | N |
| 6 | Main Compartments | 5 |
| Y | 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>Recycled 100-denier x 210-denier high-tenacity nylon</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 Osprey Transporter Carryon 44 and REI Co-op Trail 40

-   **Compression straps:** 2 on the Osprey Transporter Carryon 44; 4 on the REI Co-op Trail 40.
-   **Opening:** Other on the Osprey Transporter Carryon 44; Clamshell on the REI Co-op Trail 40.
-   **Main compartments:** 6 on the Osprey Transporter Carryon 44; 5 on the REI Co-op Trail 40.
-   **Rain cover:** No on the Osprey Transporter Carryon 44; Yes on the REI Co-op Trail 40.

Both have: passport pocket, backpack straps, hip belt, sternum strap, built-in organizer, 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. 53 accept only the Osprey Transporter Carryon 44, and 0 accept only the REI Co-op Trail 40.

### Only the Osprey Transporter Carryon 44 fits

Aer Lingus, Aeroflot, Aerolineas Argentinas, Aeromexico, Air Canada, Air Caraibes, Air France, Air India, Air Mauritius, All Nipon Airways, ANA, Austrian, Azerbaijan Airlines, Boliviana de Aviacion, Brussels Airlines, Czech Airlines, Ethiopian Airlines, Etihad Airways, Eurowings, Fiji Airways, Flair Air, Gol Linhas Aereas, Great Lakes Airlines, Gulf Air, Iberia, Indigo, Interjet, Iran Air, Japan Airlines, Jet Airways, Kenya Airways, KLM, LATAM , LOT Polish, Lufthansa, Mahan Air, Mesa Airlines, Norwegian, Oman Air, Peach, Porter Airlines, Qatar Airways, Ravn Alaska, Regional Express, Royal Jordanian, SAS Scandinavian, Scoot, Sky Airlines, Swiss Int'l Air Lines, Tiger Airways, Turkish Airlines, Virgin Australia, WestJet.

## Osprey Transporter Carryon 44 vs. REI Co-op Trail 40: which should you pack?

The **REI Co-op Trail 40** carries 18L more than the **Osprey Transporter Carryon 44** (22L vs. 40L), while the **Osprey Transporter Carryon 44** is the lighter pack at 0.9kg (vs. 1.2kg). For carry-on flexibility, the **Osprey Transporter Carryon 44** fits 75% 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 Osprey Transporter Carryon 44 is the better call.