---
url: "https://onebag.travel/compare/706uqjomyt/black-ember-forge-max/ahyvuk1jes/attitude-supply-atd2-backpack/"
title: "Black Ember Forge Max vs Attitude Supply ATD2 Backpack"
description: "Black Ember Forge Max 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/706uqjomyt/black-ember-forge-max/ahyvuk1jes/attitude-supply-atd2-backpack/"
---
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3.  Black Ember Forge Max vs. Attitude Supply ATD2 Backpack

# Black Ember Forge Max vs. Attitude Supply ATD2 Backpack

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

## [Black Ember Forge Max](https://onebag.travel/carryon/706uqjomyt/black-ember-forge-max/)

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

![Front facing view of the Black Ember Forge Max](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990475/carryons/black-ember-forge-max-706uqjomyt.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>20 L</td></tr><tr><td>Weight</td><td>1.6 kg</td></tr><tr><td>Dimensions</td><td>46×31×15 cm</td></tr><tr><td>Airline fit</td><td>94%</td></tr><tr><td>Price</td><td>$343</td></tr></tbody></table>

## Feature by feature

| Black Ember Forge Max | Feature | Attitude Supply ATD2 Backpack |
| --- | --- | --- |
| Storage |
| 4 | Compression | 4 |
| 30L | Expanded Capacity | 31L |
| 1 | Opening | 1 |
| back | Passport | front |
| Y | Passthrough | Y |
| Carry |
| hideable | Backpack | removable |
| N | 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>500D CORDURA re/cor RN66 AIR TEXTURED MATTE FINISH 1000D HYPALON</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 Black Ember Forge Max and Attitude Supply ATD2 Backpack

-   **Expansion:** 30L when expanded on the Black Ember Forge Max; 31L when expanded on the Attitude Supply ATD2 Backpack.
-   **Passport pocket:** Back on the Black Ember Forge Max; Front on the Attitude Supply ATD2 Backpack.
-   **Backpack straps:** Hideable on the Black Ember Forge Max; Removable on the Attitude Supply ATD2 Backpack.
-   **Hip belt:** No on the Black Ember Forge Max; Removable on the Attitude Supply ATD2 Backpack.
-   **Main compartments:** 4 on the Black Ember Forge Max; 2 on the Attitude Supply ATD2 Backpack.
-   **Water bottle pockets:** No on the Black Ember Forge Max; 2, side on the Attitude Supply ATD2 Backpack.

Both have: compression straps, luggage passthrough, 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. 177 accept both. 0 accept only the Black Ember Forge Max, and 4 accept only the Attitude Supply ATD2 Backpack.

### Only the Attitude Supply ATD2 Backpack fits

Air Niugini, Air Tahiti, Great Lakes Airlines, Gulf Air.

## Black Ember Forge Max vs. Attitude Supply ATD2 Backpack: which should you pack?

The **Black Ember Forge Max** carries 2L more than the **Attitude Supply ATD2 Backpack** (20L vs. 18L), while the **Attitude Supply ATD2 Backpack** is the lighter pack at 1.3kg (vs. 1.6kg). 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 Black Ember Forge Max; if you want to travel lighter, the Attitude Supply ATD2 Backpack is the better call.