---
url: "https://onebag.travel/compare/brsq4qv334/stm-trilogy/owo0vkqmam/lo-sons-westholme/"
title: "STM Trilogy vs Lo & Sons Westholme - One Bag Travel"
description: "STM Trilogy vs Lo & Sons Westholme: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/brsq4qv334/stm-trilogy/owo0vkqmam/lo-sons-westholme/"
---
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2.  [Carry-On Travel Backpacks](https://onebag.travel/carryons/)
3.  STM Trilogy vs. Lo & Sons Westholme

# STM Trilogy vs. Lo & Sons Westholme

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 | Lo & Sons Westholme |
| --- | --- | --- |
| Storage |
| N | Compression | N |
| None | Expanded Capacity | None |
| 4 | Opening | 4 |
| N | Passport | Y |
| N | Passthrough | Y |
| Carry |
| Y | Backpack | Y |
| N | Hip Belt | N |
| N | Sternum Strap | N |
| Inside |
| 15in | Laptop | 15in |
| 1 | Main Compartments | 2 |
| Y | Organizer | Y |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | N |
| 2 | Water Bottle Holder | 2 |
| Y | Water Resistant | N |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>100% polyester</td><td>Sheepskin Leather</td></tr></tbody></table>

## [Lo & Sons Westholme](https://onebag.travel/carryon/owo0vkqmam/lo-sons-westholme/)

by [Lo & Sons](https://onebag.travel/carryons/?brands=Lo & Sons)

![Front facing view of the Lo & Sons Westholme](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1629089308/carryons/Lo_Sons_Westholme_eq8glz.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>1.2 kg</td></tr><tr><td>Dimensions</td><td>36×27×12 cm</td></tr><tr><td>Airline fit</td><td>99%</td></tr><tr><td>Price</td><td>$628</td></tr></tbody></table>

## Key differences between the STM Trilogy and Lo & Sons Westholme

-   **Passport pocket:** No on the STM Trilogy; Yes on the Lo & Sons Westholme.
-   **Luggage passthrough:** No on the STM Trilogy; Yes on the Lo & Sons Westholme.
-   **Main compartments:** 1 on the STM Trilogy; 2 on the Lo & Sons Westholme.
-   **Water resistant:** Yes on the STM Trilogy; No on the Lo & Sons Westholme.

Both have: backpack straps, laptop sleeve, built-in organizer, water bottle pockets.

## 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 9 accept only the Lo & Sons Westholme.

### Only the Lo & Sons Westholme fits

Air Tahiti, Great Lakes Airlines, Gulf Air, LC Perú, Lion Air Group, Spring Airlines, VivaColombia, Volaris, Wizz Air.

## STM Trilogy vs. Lo & Sons Westholme: which should you pack?

The **STM Trilogy** carries the same capacity as the **Lo & Sons Westholme** (24L vs. 24L), while the **STM Trilogy** is the lighter pack at 0.64kg (vs. 1.2kg). For carry-on flexibility, the **Lo & Sons Westholme** fits 99% 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 STM Trilogy is the better call.