---
url: "https://onebag.travel/compare/6t08v85u8f/stm-dux-backpack/df0jz4krta/the-moderne-explorer-backpack/"
title: "STM Dux Backpack vs The Moderne Explorer Backpack"
description: "STM Dux Backpack vs The Moderne Explorer Backpack: 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/df0jz4krta/the-moderne-explorer-backpack/"
---
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2.  [Carry-On Travel Backpacks](https://onebag.travel/carryons/)
3.  STM Dux Backpack vs. The Moderne Explorer Backpack

# STM Dux Backpack vs. The Moderne Explorer Backpack

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 | The Moderne Explorer Backpack |
| --- | --- | --- |
| Storage |
| N | Compression | N |
| None | Expanded Capacity | None |
| 4 | Opening | 1 |
| Y | Passport | Y |
|  | 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>Polyester</td></tr></tbody></table>

## [The Moderne Explorer Backpack](https://onebag.travel/carryon/df0jz4krta/the-moderne-explorer-backpack/)

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

![Front facing view of the The Moderne Explorer Backpack](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1618313856/carryons/The_Moderne_Explorer_Backpack_uf8bp7.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>35 L</td></tr><tr><td>Weight</td><td>0 kg</td></tr><tr><td>Dimensions</td><td>47×35×20 cm</td></tr><tr><td>Airline fit</td><td>90%</td></tr><tr><td>Price</td><td>$149</td></tr></tbody></table>

## Key differences between the STM Dux Backpack and The Moderne Explorer Backpack

-   **Opening:** Top zip on the STM Dux Backpack; Clamshell on the The Moderne Explorer Backpack.

Both have: passport pocket, 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 98 accept only the The Moderne Explorer Backpack.

### Only the The Moderne Explorer Backpack fits

Aer Lingus, Air Asia, Air Baltic, Air Canada, Air China, Air Macau, Air Malta, Air Serbia, Air Seychelles, Air Wisconsin, AirAsiaX, Alaska Airlines, Allegiant Air, American Airlines, Asiana Airlines, ATA Airlines, Austrian, Avianca , Azerbaijan Airlines, Bahamasair, Bangkok Airways, Belavia, Biman Bangladesh, Blue Air, Brussels Airlines, Bulgaria Air, Cambodia Angkor Air, Cathay Pacific, Cebu Pacific, China Airlines, China Eastern, CommutAir, Delta Airlines, Dragonair, Emirates Airlines, Enter Air, Ethiopian Airlines, Etihad Airways, Eurowings, EVA Air, Fiji Airways, Flair Air, flybe, Garuda Indonesia, Hawaiian Airlines, Hong Kong Airlines, Icelandair, InselAir, jetBlue Airways, Jetstar Airways, Jetstar Asia, Juneyao Airlines, Kulula, Liat Airlines, LOT Polish, Lufthansa, Luxair, Mahan Air, Malaysia Airlines, Mango, Meridiana Fly, Mesa Airlines, Nordwind Airlines, Norwegian, Oman Air, Pakistan International, Porter Airlines, Qantas Airways, Qatar Airways, Republic Airways, Royal Brunei Airlines, Royal Jordanian, Ryanair, S7, SAS Scandinavian, Scoot, Shandong Airlines, Shenzhen Airlines, Skywest, Inc., South African Airways, SriLankan Airlines, Sun Express, Swiss Int'l Air Lines, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), Tiger Airways, Trans States, TUI, Turkish Airlines, Ukraine International, United Airlines, Vietnam Airlines, VIM Airlines (Closed), Virgin Atlantic, Volotea, WestJet, Xiamen.

## STM Dux Backpack vs. The Moderne Explorer Backpack: which should you pack?

The **The Moderne Explorer Backpack** carries 5L more than the **STM Dux Backpack** (30L vs. 35L), and the two are closely matched on weight. For carry-on flexibility, the **The Moderne Explorer Backpack** fits 90% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the The Moderne Explorer Backpack; if you want to travel lighter, the STM Dux Backpack is the better call.