---
url: "https://onebag.travel/compare/tlpqdw2mbv/gossamer-gear-aero-jet/zaj208cenq/thule-aion-40l/"
title: "Gossamer Gear Aero Jet vs Thule Aion 40L - One Bag Travel"
description: "Gossamer Gear Aero Jet vs Thule Aion 40L: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/tlpqdw2mbv/gossamer-gear-aero-jet/zaj208cenq/thule-aion-40l/"
---
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3.  Gossamer Gear Aero Jet vs. Thule Aion 40L

# Gossamer Gear Aero Jet vs. Thule Aion 40L

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

## [Gossamer Gear Aero Jet](https://onebag.travel/carryon/tlpqdw2mbv/gossamer-gear-aero-jet/)

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

![Front facing view of the Gossamer Gear Aero Jet](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990480/carryons/gossamer-gear-aero-jet-tlpqdw2mbv.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>35 L</td></tr><tr><td>Weight</td><td>1.1 kg</td></tr><tr><td>Dimensions</td><td>53×31×19 cm</td></tr><tr><td>Airline fit</td><td>88%</td></tr><tr><td>Price</td><td>$225</td></tr></tbody></table>

## Feature by feature

| Gossamer Gear Aero Jet | Feature | Thule Aion 40L |
| --- | --- | --- |
| Storage |
| N | Compression | N |
| None | Expanded Capacity | None |
| 1 | Opening | 1 |
| back | Passport | top |
| Y | Passthrough | Y |
| Carry |
| Y | Backpack | Y |
| optional | Hip Belt | optional |
| Y | Sternum Strap | Y |
| Inside |
| 17in | Laptop | 16in |
| 4 | Main Compartments | 4 |
| N | Organizer | Y |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | N |
| 2, side | Water Bottle Holder | 1, side |
| Y | Water Resistant | Y |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>210D Recycled Robic Nylon (PFAS-Free)</td><td></td></tr></tbody></table>

## [Thule Aion 40L](https://onebag.travel/carryon/zaj208cenq/thule-aion-40l/)

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

![Front facing view of the Thule Aion 40L](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990324/carryons/thule-aion-40l-zaj208cenq.avif)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>40 L</td></tr><tr><td>Weight</td><td>1.5 kg</td></tr><tr><td>Dimensions</td><td>52×33×23 cm</td></tr><tr><td>Airline fit</td><td>70%</td></tr><tr><td>Price</td><td>$200</td></tr></tbody></table>

## Key differences between the Gossamer Gear Aero Jet and Thule Aion 40L

-   **Passport pocket:** Back on the Gossamer Gear Aero Jet; Top on the Thule Aion 40L.
-   **Laptop sleeve:** 17in on the Gossamer Gear Aero Jet; 16in on the Thule Aion 40L.
-   **Built-in organizer:** No on the Gossamer Gear Aero Jet; Yes on the Thule Aion 40L.
-   **Water bottle pockets:** 2, side on the Gossamer Gear Aero Jet; 1, side on the Thule Aion 40L.

Both have: luggage passthrough, backpack straps, hip belt, sternum strap, water resistant.

## Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 132 accept both. 35 accept only the Gossamer Gear Aero Jet, and 0 accept only the Thule Aion 40L.

### Only the Gossamer Gear Aero Jet fits

Air Baltic, Air China, Air Malta, Air Serbia, Air Seychelles, Asiana Airlines, ATA Airlines, Blue Air, Bulgaria Air, China Eastern, Emirates Airlines, Enter Air, flybe, Icelandair, InselAir, Juneyao Airlines, Liat Airlines, Luxair, Meridiana Fly, Nordwind Airlines, Pakistan International, Royal Brunei Airlines, Ryanair, S7, Shandong Airlines, Shenzhen Airlines, Sun Express, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), TUI, Ukraine International, VIM Airlines (Closed), Volotea, Xiamen.

## Gossamer Gear Aero Jet vs. Thule Aion 40L: which should you pack?

The **Thule Aion 40L** carries 5L more than the **Gossamer Gear Aero Jet** (35L vs. 40L), while the **Gossamer Gear Aero Jet** is the lighter pack at 1.1kg (vs. 1.5kg). For carry-on flexibility, the **Gossamer Gear Aero Jet** fits 88% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Thule Aion 40L; if you want to travel lighter, the Gossamer Gear Aero Jet is the better call.