---
url: "https://onebag.travel/compare/klgib5y7w3/cabinzero-adv-pro-42l/petrgqkg3w/tortuga-expandable-backpack/"
title: "Cabinzero ADV Pro 42L vs Tortuga Expandable Backpack"
description: "Cabinzero ADV Pro 42L vs Tortuga Expandable Backpack: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/klgib5y7w3/cabinzero-adv-pro-42l/petrgqkg3w/tortuga-expandable-backpack/"
---
1.  [Home](https://onebag.travel/)
2.  [Carry-On Travel Backpacks](https://onebag.travel/carryons/)
3.  Cabinzero ADV Pro 42L vs. Tortuga Expandable Backpack

# Cabinzero ADV Pro 42L vs. Tortuga Expandable Backpack

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

## [Cabinzero ADV Pro 42L](https://onebag.travel/carryon/klgib5y7w3/cabinzero-adv-pro-42l/)

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

![Front facing view of the Cabinzero ADV Pro 42L](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1621479865/carryons/Cabinzero_ADV_ztuorg.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>42 L</td></tr><tr><td>Weight</td><td>1.4 kg</td></tr><tr><td>Dimensions</td><td>55×35×20 cm</td></tr><tr><td>Airline fit</td><td>86%</td></tr><tr><td>Price</td><td>$161</td></tr></tbody></table>

## Feature by feature

| Cabinzero ADV Pro 42L | Feature | Tortuga Expandable Backpack |
| --- | --- | --- |
| Storage |
| 4 | Compression | 4 |
| None | Expanded Capacity | None |
| 1 | Opening | 1 |
| top | Passport | top, front |
| Y | Passthrough | Y |
| Carry |
| hideable | Backpack | Y, hideable |
| hideable | Hip Belt | Y, removable |
| Y | Sternum Strap | Y |
| Inside |
| 17in | Laptop | 16in |
| 4 | Main Compartments | 4 |
| 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>Nylon 500 Denier Rip-Stop High density Polyethylene frame sheet</td><td>630D CORDURA</td></tr></tbody></table>

## [Tortuga Expandable Backpack](https://onebag.travel/carryon/petrgqkg3w/tortuga-expandable-backpack/)

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

![Front facing view of the Tortuga Expandable Backpack](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990454/carryons/tortuga-expandable-backpack-petrgqkg3w.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>27 L</td></tr><tr><td>Weight</td><td>1.6 kg</td></tr><tr><td>Dimensions</td><td>49×32×18 cm</td></tr><tr><td>Airline fit</td><td>91%</td></tr><tr><td>Price</td><td>$250</td></tr></tbody></table>

## Key differences between the Cabinzero ADV Pro 42L and Tortuga Expandable Backpack

-   **Passport pocket:** Top on the Cabinzero ADV Pro 42L; Top, front on the Tortuga Expandable Backpack.
-   **Backpack straps:** Hideable on the Cabinzero ADV Pro 42L; Y, hideable on the Tortuga Expandable Backpack.
-   **Hip belt:** Hideable on the Cabinzero ADV Pro 42L; Y, removable on the Tortuga Expandable Backpack.
-   **Laptop sleeve:** 17in on the Cabinzero ADV Pro 42L; 16in on the Tortuga Expandable Backpack.

Both have: compression straps, luggage passthrough, sternum strap, 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. 162 accept both. 0 accept only the Cabinzero ADV Pro 42L, and 10 accept only the Tortuga Expandable Backpack.

### Only the Tortuga Expandable Backpack fits

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

## Cabinzero ADV Pro 42L vs. Tortuga Expandable Backpack: which should you pack?

The **Cabinzero ADV Pro 42L** carries 15L more than the **Tortuga Expandable Backpack** (42L vs. 27L), while the **Cabinzero ADV Pro 42L** is the lighter pack at 1.4kg (vs. 1.6kg). For carry-on flexibility, the **Tortuga Expandable Backpack** fits 91% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Cabinzero ADV Pro 42L; if you want to travel lighter, the Cabinzero ADV Pro 42L is the better call.