---
url: "https://onebag.travel/compare/6t08v85u8f/stm-dux-backpack/og86blgmie/patagonia-womens-tamangito-pack-20l/"
title: "STM Dux Backpack vs Patagonia Women's Tamangito Pack 20L"
description: "STM Dux Backpack vs Patagonia Women's Tamangito Pack 20L: 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/og86blgmie/patagonia-womens-tamangito-pack-20l/"
---
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3.  STM Dux Backpack vs. Patagonia Women's Tamangito Pack 20L

# STM Dux Backpack vs. Patagonia Women's Tamangito Pack 20L

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 Women's Tamangito Pack 20L |
| --- | --- | --- |
| Storage |
| N | Compression | N |
| 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>200-denier 100% recycled polyester,</td></tr></tbody></table>

## [Patagonia Women's Tamangito Pack 20L](https://onebag.travel/carryon/og86blgmie/patagonia-womens-tamangito-pack-20l/)

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

![Front facing view of the Patagonia Women's Tamangito Pack 20L](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1632976115/carryons/Patagonia_Women_s_Tamangito_Pack_20L_wqwd2v.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>20 L</td></tr><tr><td>Weight</td><td>0.52 kg</td></tr><tr><td>Dimensions</td><td>41×30×13 cm</td></tr><tr><td>Airline fit</td><td>95%</td></tr><tr><td>Price</td><td>$79</td></tr></tbody></table>

## Key differences between the STM Dux Backpack and Patagonia Women's Tamangito Pack 20L

-   **Passport pocket:** Yes on the STM Dux Backpack; No on the Patagonia Women's Tamangito Pack 20L.

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 107 accept only the Patagonia Women's Tamangito Pack 20L.

### Only the Patagonia Women's Tamangito Pack 20L fits

Aer Lingus, Air Asia, Air Baltic, Air Canada, Air China, Air Macau, Air Malta, Air Niugini, Air Serbia, Air Seychelles, Air Tahiti, Air Wisconsin, AirAsiaX, Alaska Airlines, Allegiant Air, American Airlines, American Eagle, 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, Cayman Airways, Cebu Pacific, China Airlines, China Eastern, CommutAir, Delta Airlines, Dragonair, easyJet, Emirates Airlines, Enter Air, Ethiopian Airlines, Etihad Airways, Eurowings, EVA Air, Fiji Airways, Flair Air, flybe, Garuda Indonesia, Gulf Air, 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, Ravn Alaska, Regional Express, 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, Virgin Australia, Volotea, WestJet, Xiamen.

## STM Dux Backpack vs. Patagonia Women's Tamangito Pack 20L: which should you pack?

The **STM Dux Backpack** carries 10L more than the **Patagonia Women's Tamangito Pack 20L** (30L vs. 20L), while the **Patagonia Women's Tamangito Pack 20L** is the lighter pack at 0.52kg (vs. 1.78kg). For carry-on flexibility, the **Patagonia Women's Tamangito Pack 20L** fits 95% 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 Women's Tamangito Pack 20L is the better call.