---
url: "https://onebag.travel/compare/av1mfodb4c/tomtoc-techpack-t73/ti7si2k4oi/aer-duffel-pack-3-x-pac/"
title: "tomtoc TechPack-T73 vs Aer Duffel Pack 3 X-Pac"
description: "tomtoc TechPack-T73 vs Aer Duffel Pack 3 X-Pac: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/av1mfodb4c/tomtoc-techpack-t73/ti7si2k4oi/aer-duffel-pack-3-x-pac/"
---
1.  [Home](https://onebag.travel/)
2.  [Carry-On Travel Backpacks](https://onebag.travel/carryons/)
3.  tomtoc TechPack-T73 vs. Aer Duffel Pack 3 X-Pac

# tomtoc TechPack-T73 vs. Aer Duffel Pack 3 X-Pac

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

## [tomtoc TechPack-T73](https://onebag.travel/carryon/av1mfodb4c/tomtoc-techpack-t73/)

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

![Front facing view of the tomtoc TechPack-T73](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990448/carryons/tomtoc-techpack-t73-av1mfodb4c.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>30 L</td></tr><tr><td>Weight</td><td>1.3 kg</td></tr><tr><td>Dimensions</td><td>47×31×17 cm</td></tr><tr><td>Airline fit</td><td>92%</td></tr><tr><td>Price</td><td>$200</td></tr></tbody></table>

## Feature by feature

| tomtoc TechPack-T73 | Feature | Aer Duffel Pack 3 X-Pac |
| --- | --- | --- |
| Storage |
| N | Compression | N |
| None | Expanded Capacity | None |
| 1 | Opening | 0 |
| front, side | Passport | top, side |
| Y | Passthrough | Y |
| Carry |
| Y | Backpack | Y |
| N | Hip Belt | N |
| Y | Sternum Strap | removable |
| Inside |
| 16in | Laptop | 16in |
| 5 | Main Compartments | 5 |
| 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>X-Pac front panel, cordura(?) mix</td><td>VX-42 X-Pac (also in 1680D Cordura)</td></tr></tbody></table>

## [Aer Duffel Pack 3 X-Pac](https://onebag.travel/carryon/ti7si2k4oi/aer-duffel-pack-3-x-pac/)

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

![Front facing view of the Aer Duffel Pack 3 X-Pac](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990321/carryons/aer-duffel-pack-3-x-pac-ti7si2k4oi.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>21 L</td></tr><tr><td>Weight</td><td>1.3 kg</td></tr><tr><td>Dimensions</td><td>52×30×20 cm</td></tr><tr><td>Airline fit</td><td>88%</td></tr><tr><td>Price</td><td>$210</td></tr></tbody></table>

## Key differences between the tomtoc TechPack-T73 and Aer Duffel Pack 3 X-Pac

-   **Opening:** Clamshell on the tomtoc TechPack-T73; Other on the Aer Duffel Pack 3 X-Pac.
-   **Passport pocket:** Front, side on the tomtoc TechPack-T73; Top, side on the Aer Duffel Pack 3 X-Pac.
-   **Sternum strap:** Yes on the tomtoc TechPack-T73; Removable on the Aer Duffel Pack 3 X-Pac.

Both have: luggage passthrough, 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. 167 accept both. 7 accept only the tomtoc TechPack-T73, and 0 accept only the Aer Duffel Pack 3 X-Pac.

### Only the tomtoc TechPack-T73 fits

Belavia, Etihad Airways, Oman Air, Qatar Airways, Regional Express, Royal Jordanian, Virgin Australia.

## tomtoc TechPack-T73 vs. Aer Duffel Pack 3 X-Pac: which should you pack?

The **tomtoc TechPack-T73** carries 9L more than the **Aer Duffel Pack 3 X-Pac** (30L vs. 21L), while the **tomtoc TechPack-T73** is the lighter pack at 1.3kg (vs. 1.3kg). For carry-on flexibility, the **tomtoc TechPack-T73** fits 92% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the tomtoc TechPack-T73; if you want to travel lighter, the tomtoc TechPack-T73 is the better call.