---
url: "https://onebag.travel/compare/brsq4qv334/stm-trilogy/og86blgmie/patagonia-womens-tamangito-pack-20l/"
title: "STM Trilogy vs Patagonia Women&#39;s Tamangito Pack 20L"
description: "STM Trilogy vs Patagonia Women&#39;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/brsq4qv334/stm-trilogy/og86blgmie/patagonia-womens-tamangito-pack-20l/"
---
1.  [Home](https://onebag.travel/)
2.  [Carry-On Travel Backpacks](https://onebag.travel/carryons/)
3.  STM Trilogy vs. Patagonia Women's Tamangito Pack 20L

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

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

## [STM Trilogy](https://onebag.travel/carryon/brsq4qv334/stm-trilogy/)

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

![Front facing view of the STM Trilogy](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1634095801/carryons/STM_Trilogy_lukffj.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>24 L</td></tr><tr><td>Weight</td><td>0.64 kg</td></tr><tr><td>Dimensions</td><td>46×30×16 cm</td></tr><tr><td>Airline fit</td><td>94%</td></tr><tr><td>Price</td><td>$80</td></tr></tbody></table>

## Feature by feature

| STM Trilogy | Feature | Patagonia Women's Tamangito Pack 20L |
| --- | --- | --- |
| Storage |
| N | Compression | N |
| None | Expanded Capacity | None |
| 4 | Opening | 4 |
| N | Passport | N |
| N | Passthrough | N |
| Carry |
| Y | Backpack | Y |
| N | Hip Belt | N |
| N | Sternum Strap | Y |
| Inside |
| 15in | Laptop | 15in |
| 1 | Main Compartments | 1 |
| Y | 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>100% 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 Trilogy and Patagonia Women's Tamangito Pack 20L

-   **Sternum strap:** No on the STM Trilogy; Yes on the Patagonia Women's Tamangito Pack 20L.
-   **Built-in organizer:** Yes on the STM Trilogy; No on the Patagonia Women's Tamangito Pack 20L.

Both have: backpack straps, 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. 178 accept both. 0 accept only the STM Trilogy, and 2 accept only the Patagonia Women's Tamangito Pack 20L.

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

Air Tahiti, Gulf Air.

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

The **STM Trilogy** carries 4L more than the **Patagonia Women's Tamangito Pack 20L** (24L vs. 20L), while the **Patagonia Women's Tamangito Pack 20L** is the lighter pack at 0.52kg (vs. 0.64kg). 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 Trilogy; if you want to travel lighter, the Patagonia Women's Tamangito Pack 20L is the better call.
