---
url: "https://onebag.travel/compare/g0rrmfoh4g/aer-travel-pack-2/po3vdwbsd9/tom-bihn-techonaut-30/"
title: "Aer Travel Pack 2 vs Tom Bihn Techonaut 30 - One Bag Travel"
description: "Aer Travel Pack 2 vs Tom Bihn Techonaut 30: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/g0rrmfoh4g/aer-travel-pack-2/po3vdwbsd9/tom-bihn-techonaut-30/"
---
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3.  Aer Travel Pack 2 vs. Tom Bihn Techonaut 30

# Aer Travel Pack 2 vs. Tom Bihn Techonaut 30

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

## [Aer Travel Pack 2](https://onebag.travel/carryon/g0rrmfoh4g/aer-travel-pack-2/)

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

![Front facing view of the Aer Travel Pack 2](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1601603666/carryons/aertravelpack2_f23hfy.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>33 L</td></tr><tr><td>Weight</td><td>1.7 kg</td></tr><tr><td>Dimensions</td><td>55×34×22 cm</td></tr><tr><td>Airline fit</td><td>69%</td></tr><tr><td>Price</td><td>$230</td></tr></tbody></table>

## Feature by feature

| Aer Travel Pack 2 | Feature | Tom Bihn Techonaut 30 |
| --- | --- | --- |
| Storage |
| 4 | Compression | N |
| None | Expanded Capacity | None |
| 1 | Opening | 1 |
| top | Passport | top |
| Y | Passthrough | Y |
| Carry |
| Y | Backpack | hideable |
| optional | Hip Belt | removable |
| removable | Sternum Strap | removable |
| Inside |
| 16in | Laptop | 16in |
| 5 | Main Compartments | 5 |
| Y | Organizer | N |
| 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>Grey: 900D eco-dyed polyester Black / Blue: 1680D Cordura® ballistic nylon exterior</td><td>400d Halcyon/420d nylon ripstop exterior</td></tr></tbody></table>

## [Tom Bihn Techonaut 30](https://onebag.travel/carryon/po3vdwbsd9/tom-bihn-techonaut-30/)

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

<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 kg</td></tr><tr><td>Dimensions</td><td>50×32×21 cm</td></tr><tr><td>Airline fit</td><td>73%</td></tr><tr><td>Price</td><td>$400</td></tr></tbody></table>

## Key differences between the Aer Travel Pack 2 and Tom Bihn Techonaut 30

-   **Compression straps:** 4 on the Aer Travel Pack 2; No on the Tom Bihn Techonaut 30.
-   **Backpack straps:** Yes on the Aer Travel Pack 2; Hideable on the Tom Bihn Techonaut 30.
-   **Hip belt:** Optional on the Aer Travel Pack 2; Removable on the Tom Bihn Techonaut 30.
-   **Built-in organizer:** Yes on the Aer Travel Pack 2; No on the Tom Bihn Techonaut 30.

Both have: passport pocket, luggage passthrough, sternum strap, laptop sleeve, 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. 130 accept both. 0 accept only the Aer Travel Pack 2, and 8 accept only the Tom Bihn Techonaut 30.

### Only the Tom Bihn Techonaut 30 fits

Etihad Airways, Liat Airlines, Oman Air, Qatar Airways, Royal Jordanian, Scoot, Tiger Airways, WestJet.

## Aer Travel Pack 2 vs. Tom Bihn Techonaut 30: which should you pack?

The **Aer Travel Pack 2** carries 3L more than the **Tom Bihn Techonaut 30** (33L vs. 30L), while the **Tom Bihn Techonaut 30** is the lighter pack at 1kg (vs. 1.7kg). For carry-on flexibility, the **Tom Bihn Techonaut 30** fits 73% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Aer Travel Pack 2; if you want to travel lighter, the Tom Bihn Techonaut 30 is the better call.