---
url: "https://onebag.travel/compare/6t08v85u8f/stm-dux-backpack/e5jbqbef7p/patagonia-refugio-backpack-28l/"
title: "STM Dux Backpack vs Patagonia Refugio Backpack 28L"
description: "STM Dux Backpack vs Patagonia Refugio Backpack 28L: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/6t08v85u8f/stm-dux-backpack/e5jbqbef7p/patagonia-refugio-backpack-28l/"
---
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3.  STM Dux Backpack vs. Patagonia Refugio Backpack 28L

# STM Dux Backpack vs. Patagonia Refugio Backpack 28L

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

## [STM Dux Backpack](https://onebag.travel/carryon/6t08v85u8f/stm-dux-backpack/)

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

![Front facing view of the STM Dux Backpack](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1634036111/carryons/STM_Dux_Backpack_qt0qrl.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>30 L</td></tr><tr><td>Weight</td><td>1.78 kg</td></tr><tr><td>Dimensions</td><td>50.8×33×24.1 cm</td></tr><tr><td>Airline fit</td><td>39%</td></tr><tr><td>Price</td><td>$250</td></tr></tbody></table>

## Feature by feature

| STM Dux Backpack | Feature | Patagonia Refugio Backpack 28L |
| --- | --- | --- |
| Storage |
| N | Compression | Y |
| None | Expanded Capacity | None |
| 4 | Opening | 4 |
| Y | Passport | N |
|  | Passthrough | N |
| Carry |
| Y | Backpack | Y |
| N | Hip Belt | N |
| Y | Sternum Strap | Y |
| Inside |
| 15in | Laptop | 15in |
| 1 | Main Compartments | 1 |
| N | Organizer | N |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | N |
| 2 | Water Bottle Holder | 2 |
| Y | Water Resistant | Y |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>500D x 750D Polyester</td><td>630-denier 100% nylon, 450-denier 100% polyester (56% recycled) ripstop</td></tr></tbody></table>

## [Patagonia Refugio Backpack 28L](https://onebag.travel/carryon/e5jbqbef7p/patagonia-refugio-backpack-28l/)

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

![Front facing view of the Patagonia Refugio Backpack 28L](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1632926776/carryons/Patagonia_Refugio_Backpack_28L_dfcon0.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>0.666 kg</td></tr><tr><td>Dimensions</td><td>49×31×21 cm</td></tr><tr><td>Airline fit</td><td>73%</td></tr><tr><td>Price</td><td>$89</td></tr></tbody></table>

## Key differences between the STM Dux Backpack and Patagonia Refugio Backpack 28L

-   **Compression straps:** No on the STM Dux Backpack; Yes on the Patagonia Refugio Backpack 28L.
-   **Passport pocket:** Yes on the STM Dux Backpack; No on the Patagonia Refugio Backpack 28L.

Both have: backpack straps, 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. 73 accept both. 0 accept only the STM Dux Backpack, and 65 accept only the Patagonia Refugio Backpack 28L.

### Only the Patagonia Refugio Backpack 28L fits

Aer Lingus, Air Asia, Air Canada, Air Macau, Air Wisconsin, AirAsiaX, Alaska Airlines, Allegiant Air, American Airlines, Austrian, Avianca , Azerbaijan Airlines, Bahamasair, Bangkok Airways, Biman Bangladesh, Brussels Airlines, Cambodia Angkor Air, Cathay Pacific, Cayman Airways, Cebu Pacific, China Airlines, CommutAir, Delta Airlines, Dragonair, Ethiopian Airlines, Etihad Airways, Eurowings, EVA Air, Fiji Airways, Flair Air, Garuda Indonesia, Hawaiian Airlines, Hong Kong Airlines, jetBlue Airways, Jetstar Airways, Jetstar Asia, Kulula, Liat Airlines, LOT Polish, Lufthansa, Mahan Air, Malaysia Airlines, Mango, Mesa Airlines, Norwegian, Oman Air, Pakistan International, Porter Airlines, Qantas Airways, Qatar Airways, Republic Airways, Royal Jordanian, SAS Scandinavian, Scoot, Skywest, Inc., South African Airways, SriLankan Airlines, Swiss Int'l Air Lines, Tiger Airways, Trans States, Turkish Airlines, United Airlines, Vietnam Airlines, Virgin Atlantic, WestJet.

## STM Dux Backpack vs. Patagonia Refugio Backpack 28L: which should you pack?

The **STM Dux Backpack** carries 2L more than the **Patagonia Refugio Backpack 28L** (30L vs. 28L), while the **Patagonia Refugio Backpack 28L** is the lighter pack at 0.666kg (vs. 1.78kg). For carry-on flexibility, the **Patagonia Refugio Backpack 28L** fits 73% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the STM Dux Backpack; if you want to travel lighter, the Patagonia Refugio Backpack 28L is the better call.