---
url: "https://onebag.travel/compare/brsq4qv334/stm-trilogy/k25moh5vrq/patagonia-womens-black-hole-pack-23l/"
title: "STM Trilogy vs Patagonia Women's Black Hole® Pack 23L"
description: "STM Trilogy vs Patagonia Women's Black Hole® Pack 23L: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/brsq4qv334/stm-trilogy/k25moh5vrq/patagonia-womens-black-hole-pack-23l/"
---
1.  [Home](https://onebag.travel/)
2.  [Carry-On Travel Backpacks](https://onebag.travel/carryons/)
3.  STM Trilogy vs. Patagonia Women's Black Hole® Pack 23L

# STM Trilogy vs. Patagonia Women's Black Hole® Pack 23L

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 Black Hole® Pack 23L |
| --- | --- | --- |
| Storage |
| N | Compression | N |
| None | Expanded Capacity | None |
| 4 | Opening | 4 |
| N | Passport | N |
| N | Passthrough | N |
| Carry |
| Y | Backpack | N |
| N | Hip Belt | N |
| N | Sternum Strap | Y |
| Inside |
| 15in | Laptop | 15in |
| 1 | Main Compartments | 1 |
| Y | Organizer | Y |
| 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>300-denier 100% postconsumer recycled polyester ripstop, 200-denier 100% recycled polyester</td></tr></tbody></table>

## [Patagonia Women's Black Hole® Pack 23L](https://onebag.travel/carryon/k25moh5vrq/patagonia-womens-black-hole-pack-23l/)

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

![Front facing view of the Patagonia Women's Black Hole® Pack 23L](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1632825457/carryons/Patagonia_Women_s_Black_Hole_Pack_23L_rh1biv.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>23 L</td></tr><tr><td>Weight</td><td>0.58 kg</td></tr><tr><td>Dimensions</td><td>50.8×27.94×16.4 cm</td></tr><tr><td>Airline fit</td><td>90%</td></tr><tr><td>Price</td><td>$129</td></tr></tbody></table>

## Key differences between the STM Trilogy and Patagonia Women's Black Hole® Pack 23L

-   **Backpack straps:** Yes on the STM Trilogy; No on the Patagonia Women's Black Hole® Pack 23L.
-   **Sternum strap:** No on the STM Trilogy; Yes on the Patagonia Women's Black Hole® Pack 23L.

Both have: laptop sleeve, 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. 169 accept both. 9 accept only the STM Trilogy, and 1 accept only the Patagonia Women's Black Hole® Pack 23L.

### Only the STM Trilogy fits

Air Niugini, American Eagle, Belavia, easyJet, Etihad Airways, Qatar Airways, Ravn Alaska, Regional Express, Virgin Australia.

### Only the Patagonia Women's Black Hole® Pack 23L fits

Great Lakes Airlines.

## STM Trilogy vs. Patagonia Women's Black Hole® Pack 23L: which should you pack?

The **STM Trilogy** carries 1L more than the **Patagonia Women's Black Hole® Pack 23L** (24L vs. 23L), while the **Patagonia Women's Black Hole® Pack 23L** is the lighter pack at 0.58kg (vs. 0.64kg). For carry-on flexibility, the **STM Trilogy** fits 94% 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 Black Hole® Pack 23L is the better call.