---
url: "https://onebag.travel/compare/0ulpzn52rs/corsurf-island-hopper-2-0-34l/po3vdwbsd9/tom-bihn-techonaut-30/"
title: "Corsurf Island Hopper 2.0 34L vs Tom Bihn Techonaut 30"
description: "Corsurf Island Hopper 2.0 34L 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/0ulpzn52rs/corsurf-island-hopper-2-0-34l/po3vdwbsd9/tom-bihn-techonaut-30/"
---
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3.  Corsurf Island Hopper 2.0 34L vs. Tom Bihn Techonaut 30

# Corsurf Island Hopper 2.0 34L vs. Tom Bihn Techonaut 30

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

## [Corsurf Island Hopper 2.0 34L](https://onebag.travel/carryon/0ulpzn52rs/corsurf-island-hopper-2-0-34l/)

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

![Front facing view of the Corsurf Island Hopper 2.0 34L](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990346/carryons/corsurf-island-hopper-2-0-34l-0ulpzn52rs.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>34 L</td></tr><tr><td>Weight</td><td>1.1 kg</td></tr><tr><td>Dimensions</td><td>49×29×25 cm</td></tr><tr><td>Airline fit</td><td>40%</td></tr><tr><td>Price</td><td>$135</td></tr></tbody></table>

## Feature by feature

| Corsurf Island Hopper 2.0 34L | Feature | Tom Bihn Techonaut 30 |
| --- | --- | --- |
| Storage |
| N | Compression | N |
| None | Expanded Capacity | None |
| 1 | Opening | 1 |
| back | Passport | top |
| Y | Passthrough | Y |
| Carry |
| Y | Backpack | hideable |
| hideable | Hip Belt | removable |
| Y | Sternum Strap | removable |
| Inside |
| 16in | Laptop | 16in |
| 5 | Main Compartments | 5 |
| N | 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>Unspecified: 420D ripstop polyester PU laminated with TPU waterproof coating</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 Corsurf Island Hopper 2.0 34L and Tom Bihn Techonaut 30

-   **Passport pocket:** Back on the Corsurf Island Hopper 2.0 34L; Top on the Tom Bihn Techonaut 30.
-   **Backpack straps:** Yes on the Corsurf Island Hopper 2.0 34L; Hideable on the Tom Bihn Techonaut 30.
-   **Hip belt:** Hideable on the Corsurf Island Hopper 2.0 34L; Removable on the Tom Bihn Techonaut 30.
-   **Sternum strap:** Yes on the Corsurf Island Hopper 2.0 34L; Removable on the Tom Bihn Techonaut 30.

Both have: luggage passthrough, 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. 75 accept both. 0 accept only the Corsurf Island Hopper 2.0 34L, and 63 accept only the Tom Bihn Techonaut 30.

### Only the Tom Bihn Techonaut 30 fits

Aer Lingus, Air Asia, Air Canada, Air Macau, Air Wisconsin, AirAsiaX, Alaska Airlines, Allegiant Air, American Airlines, Austrian, Avianca , Azerbaijan Airlines, Bahamasair, Bangkok Airways, Biman Bangladesh, Brussels Airlines, Cambodia Angkor Air, Cathay Pacific, Cayman Airways, Cebu Pacific, China Airlines, CommutAir, Delta Airlines, Dragonair, Ethiopian Airlines, Eurowings, EVA Air, Fiji Airways, Flair Air, Garuda Indonesia, Hawaiian Airlines, Hong Kong Airlines, jetBlue Airways, Jetstar Airways, Jetstar Asia, Kulula, Liat Airlines, LOT Polish, Lufthansa, Mahan Air, Malaysia Airlines, Mango, Mesa Airlines, Norwegian, Oman Air, Pakistan International, Porter Airlines, Qantas Airways, Republic Airways, Royal Jordanian, SAS Scandinavian, Scoot, Skywest, Inc., South African Airways, SriLankan Airlines, Swiss Int'l Air Lines, Tiger Airways, Trans States, Turkish Airlines, United Airlines, Vietnam Airlines, Virgin Atlantic, WestJet.

## Corsurf Island Hopper 2.0 34L vs. Tom Bihn Techonaut 30: which should you pack?

The **Corsurf Island Hopper 2.0 34L** carries 4L more than the **Tom Bihn Techonaut 30** (34L vs. 30L), while the **Tom Bihn Techonaut 30** is the lighter pack at 1kg (vs. 1.1kg). 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 Corsurf Island Hopper 2.0 34L; if you want to travel lighter, the Tom Bihn Techonaut 30 is the better call.