---
url: "https://onebag.travel/compare/ael6s765pv/tortuga-setout-divide/ahyvuk1jes/attitude-supply-atd2-backpack/"
title: "Tortuga Setout Divide vs Attitude Supply ATD2 Backpack"
description: "Tortuga Setout Divide vs Attitude Supply ATD2 Backpack: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/ael6s765pv/tortuga-setout-divide/ahyvuk1jes/attitude-supply-atd2-backpack/"
---
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2.  [Carry-On Travel Backpacks](https://onebag.travel/carryons/)
3.  Tortuga Setout Divide vs. Attitude Supply ATD2 Backpack

# Tortuga Setout Divide vs. Attitude Supply ATD2 Backpack

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

## [Tortuga Setout Divide](https://onebag.travel/carryon/ael6s765pv/tortuga-setout-divide/)

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

![Front facing view of the Tortuga Setout Divide](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1601600574/carryons/tortugasetout_fgnt8m.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>26 L</td></tr><tr><td>Weight</td><td>1.7 kg</td></tr><tr><td>Dimensions</td><td>51×34×16 cm</td></tr><tr><td>Airline fit</td><td>89%</td></tr><tr><td>Price</td><td>$209</td></tr></tbody></table>

## Feature by feature

| Tortuga Setout Divide | Feature | Attitude Supply ATD2 Backpack |
| --- | --- | --- |
| Storage |
| Y | Compression | 4 |
| None | Expanded Capacity | 31L |
| 0 | Opening | 1 |
| front | Passport | front |
| Y | Passthrough | Y |
| Carry |
| hideable | Backpack | removable |
| removable | Hip Belt | removable |
| removable | Sternum Strap | removable |
| Inside |
| 15in | Laptop | 15in |
| 4 | Main Compartments | 2 |
| Y | Organizer | Y |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | N |
| N | Water Bottle Holder | 2, side |
| Y | Water Resistant | Y |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>900D heathered polyester</td><td>Challenge Sailcloth Ecopak® EPLX600</td></tr></tbody></table>

## [Attitude Supply ATD2 Backpack](https://onebag.travel/carryon/ahyvuk1jes/attitude-supply-atd2-backpack/)

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

![Front facing view of the Attitude Supply ATD2 Backpack](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990291/carryons/attitude-supply-atd2-backpack-ahyvuk1jes.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>18 L</td></tr><tr><td>Weight</td><td>1.3 kg</td></tr><tr><td>Dimensions</td><td>45×25×19 cm</td></tr><tr><td>Airline fit</td><td>96%</td></tr><tr><td>Price</td><td>$475</td></tr></tbody></table>

## Key differences between the Tortuga Setout Divide and Attitude Supply ATD2 Backpack

-   **Compression straps:** Yes on the Tortuga Setout Divide; 4 on the Attitude Supply ATD2 Backpack.
-   **Opening:** Other on the Tortuga Setout Divide; Clamshell on the Attitude Supply ATD2 Backpack.
-   **Backpack straps:** Hideable on the Tortuga Setout Divide; Removable on the Attitude Supply ATD2 Backpack.
-   **Main compartments:** 4 on the Tortuga Setout Divide; 2 on the Attitude Supply ATD2 Backpack.
-   **Water bottle pockets:** No on the Tortuga Setout Divide; 2, side on the Attitude Supply ATD2 Backpack.

Both have: passport pocket, luggage passthrough, hip belt, sternum strap, laptop sleeve, built-in organizer, water resistant.

## Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 169 accept both. 0 accept only the Tortuga Setout Divide, and 12 accept only the Attitude Supply ATD2 Backpack.

### Only the Attitude Supply ATD2 Backpack fits

Air Niugini, Air Tahiti, American Eagle, Belavia, easyJet, Etihad Airways, Great Lakes Airlines, Gulf Air, Qatar Airways, Ravn Alaska, Regional Express, Virgin Australia.

## Tortuga Setout Divide vs. Attitude Supply ATD2 Backpack: which should you pack?

The **Tortuga Setout Divide** carries 8L more than the **Attitude Supply ATD2 Backpack** (26L vs. 18L), while the **Attitude Supply ATD2 Backpack** is the lighter pack at 1.3kg (vs. 1.7kg). For carry-on flexibility, the **Attitude Supply ATD2 Backpack** fits 96% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Tortuga Setout Divide; if you want to travel lighter, the Attitude Supply ATD2 Backpack is the better call.