---
url: "https://onebag.travel/compare/brsq4qv334/stm-trilogy/g73pmku72a/peak-design-everyday-backpack-zip/"
title: "STM Trilogy vs Peak Design Everyday Backpack Zip"
description: "STM Trilogy vs Peak Design Everyday Backpack Zip: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/brsq4qv334/stm-trilogy/g73pmku72a/peak-design-everyday-backpack-zip/"
---
1.  [Home](https://onebag.travel/)
2.  [Carry-On Travel Backpacks](https://onebag.travel/carryons/)
3.  STM Trilogy vs. Peak Design Everyday Backpack Zip

# STM Trilogy vs. Peak Design Everyday Backpack Zip

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 | Peak Design Everyday Backpack Zip |
| --- | --- | --- |
| Storage |
| N | Compression | N |
| None | Expanded Capacity | 20L |
| 4 | Opening | 1 |
| N | Passport | N |
| N | Passthrough | N |
| Carry |
| Y | Backpack | Y |
| N | Hip Belt | N |
| N | Sternum Strap | removable |
| 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>400D double poly-coated DWR-impregnated nylon canvas shell</td></tr></tbody></table>

## [Peak Design Everyday Backpack Zip](https://onebag.travel/carryon/g73pmku72a/peak-design-everyday-backpack-zip/)

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

![Front facing view of the Peak Design Everyday Backpack Zip](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1633997732/carryons/Peak_Design_Everyday_Backpack_Zip_gdeago.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>1.55 kg</td></tr><tr><td>Dimensions</td><td>47×29×16 cm</td></tr><tr><td>Airline fit</td><td>93%</td></tr><tr><td>Price</td><td>$220</td></tr></tbody></table>

## Key differences between the STM Trilogy and Peak Design Everyday Backpack Zip

-   **Opening:** Top zip on the STM Trilogy; Clamshell on the Peak Design Everyday Backpack Zip.
-   **Sternum strap:** No on the STM Trilogy; Removable on the Peak Design Everyday Backpack Zip.

Both have: backpack straps, 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. 175 accept both. 3 accept only the STM Trilogy, and 0 accept only the Peak Design Everyday Backpack Zip.

### Only the STM Trilogy fits

American Eagle, easyJet, Ravn Alaska.

## STM Trilogy vs. Peak Design Everyday Backpack Zip: which should you pack?

The **STM Trilogy** carries 4L more than the **Peak Design Everyday Backpack Zip** (24L vs. 20L), while the **STM Trilogy** is the lighter pack at 0.64kg (vs. 1.55kg). 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 STM Trilogy is the better call.