---
url: "https://onebag.travel/compare/mjtr3jfcvx/aer-tech-pack-3-x-pac/rzsc61ufe5/aer-pro-slim-pack/"
title: "Aer Tech Pack 3 X-Pac vs Aer Pro Slim Pack - One Bag Travel"
description: "Aer Tech Pack 3 X-Pac vs Aer Pro Slim Pack: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/mjtr3jfcvx/aer-tech-pack-3-x-pac/rzsc61ufe5/aer-pro-slim-pack/"
---
1.  [Home](https://onebag.travel/)
2.  [Carry-On Travel Backpacks](https://onebag.travel/carryons/)
3.  Aer Tech Pack 3 X-Pac vs. Aer Pro Slim Pack

# Aer Tech Pack 3 X-Pac vs. Aer Pro Slim Pack

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

## [Aer Tech Pack 3 X-Pac](https://onebag.travel/carryon/mjtr3jfcvx/aer-tech-pack-3-x-pac/)

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

![Front facing view of the Aer Tech Pack 3 X-Pac](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990467/carryons/aer-tech-pack-3-x-pac-mjtr3jfcvx.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>16 L</td></tr><tr><td>Weight</td><td>1.4 kg</td></tr><tr><td>Dimensions</td><td>46×31×18 cm</td></tr><tr><td>Airline fit</td><td>94%</td></tr><tr><td>Price</td><td>$250</td></tr></tbody></table>

## Feature by feature

| Aer Tech Pack 3 X-Pac | Feature | Aer Pro Slim Pack |
| --- | --- | --- |
| Storage |
| 4 | Compression | N |
| None | Expanded Capacity | None |
| 0 | Opening | 1 |
| top | Passport | front |
| Y | Passthrough | Y |
| Carry |
| Y | Backpack | Y |
| N | Hip Belt | N |
| Y | Sternum Strap | Y |
| Inside |
| 16in | Laptop | 16in |
| 4 | Main Compartments | 3 |
| Y | Organizer | Y |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | N |
| 1, side | Water Bottle Holder | 1, side |
| Y | Water Resistant | Y |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>VX-42 X-Pac (also in 1680D Cordura ballistic nylo)</td><td>840D CORDURA re/cor recycled nylon</td></tr></tbody></table>

## [Aer Pro Slim Pack](https://onebag.travel/carryon/rzsc61ufe5/aer-pro-slim-pack/)

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

![Front facing view of the Aer Pro Slim Pack](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990323/carryons/aer-pro-slim-pack-rzsc61ufe5.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>13 L</td></tr><tr><td>Weight</td><td>0.9 kg</td></tr><tr><td>Dimensions</td><td>43×31×10 cm</td></tr><tr><td>Airline fit</td><td>95%</td></tr><tr><td>Price</td><td>$140</td></tr></tbody></table>

## Key differences between the Aer Tech Pack 3 X-Pac and Aer Pro Slim Pack

-   **Compression straps:** 4 on the Aer Tech Pack 3 X-Pac; No on the Aer Pro Slim Pack.
-   **Opening:** Other on the Aer Tech Pack 3 X-Pac; Clamshell on the Aer Pro Slim Pack.
-   **Passport pocket:** Top on the Aer Tech Pack 3 X-Pac; Front on the Aer Pro Slim Pack.
-   **Main compartments:** 4 on the Aer Tech Pack 3 X-Pac; 3 on the Aer Pro Slim Pack.

Both have: luggage passthrough, backpack straps, sternum strap, 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. 177 accept both. 0 accept only the Aer Tech Pack 3 X-Pac, and 2 accept only the Aer Pro Slim Pack.

### Only the Aer Pro Slim Pack fits

Air Tahiti, Gulf Air.

## Aer Tech Pack 3 X-Pac vs. Aer Pro Slim Pack: which should you pack?

The **Aer Tech Pack 3 X-Pac** carries 3L more than the **Aer Pro Slim Pack** (16L vs. 13L), while the **Aer Pro Slim Pack** is the lighter pack at 0.9kg (vs. 1.4kg). For carry-on flexibility, the **Aer Pro Slim Pack** fits 95% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Aer Tech Pack 3 X-Pac; if you want to travel lighter, the Aer Pro Slim Pack is the better call.