---
url: "https://onebag.travel/compare/ahyvuk1jes/attitude-supply-atd2-backpack/uvdxwkqbvh/graphene-x-limitless-backpack/"
title: "Attitude Supply ATD2 Backpack vs Graphene-x LIMITLESS Backpack"
description: "Attitude Supply ATD2 Backpack vs Graphene-x LIMITLESS Backpack: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/ahyvuk1jes/attitude-supply-atd2-backpack/uvdxwkqbvh/graphene-x-limitless-backpack/"
---
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2.  [Carry-On Travel Backpacks](https://onebag.travel/carryons/)
3.  Attitude Supply ATD2 Backpack vs. Graphene-x LIMITLESS Backpack

# Attitude Supply ATD2 Backpack vs. Graphene-x LIMITLESS Backpack

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

## [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>

## Feature by feature

| Attitude Supply ATD2 Backpack | Feature | Graphene-x LIMITLESS Backpack |
| --- | --- | --- |
| Storage |
| 4 | Compression | 2 |
| 31L | Expanded Capacity | None |
| 1 | Opening | 1 |
| front | Passport | front |
| Y | Passthrough | Y |
| Carry |
| removable | Backpack | Y |
| removable | Hip Belt | removable |
| removable | Sternum Strap | Y |
| Inside |
| 15in | Laptop | 16in |
| 2 | Main Compartments | 9 |
| Y | Organizer | Y |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | N |
| 2, side | Water Bottle Holder | 2, side |
| Y | Water Resistant | Y |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>Challenge Sailcloth Ecopak® EPLX600</td><td>100% Graphene integrated 900D polyester matrix</td></tr></tbody></table>

## [Graphene-x LIMITLESS Backpack](https://onebag.travel/carryon/uvdxwkqbvh/graphene-x-limitless-backpack/)

by [Graphene-x](https://onebag.travel/carryons/?brands=Graphene-x)

![Front facing view of the Graphene-x LIMITLESS Backpack](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990367/carryons/graphene-x-limitless-backpack-uvdxwkqbvh.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>25 L</td></tr><tr><td>Weight</td><td>1.7 kg</td></tr><tr><td>Dimensions</td><td>51×33×17 cm</td></tr><tr><td>Airline fit</td><td>89%</td></tr><tr><td>Price</td><td>$300</td></tr></tbody></table>

## Key differences between the Attitude Supply ATD2 Backpack and Graphene-x LIMITLESS Backpack

-   **Compression straps:** 4 on the Attitude Supply ATD2 Backpack; 2 on the Graphene-x LIMITLESS Backpack.
-   **Backpack straps:** Removable on the Attitude Supply ATD2 Backpack; Yes on the Graphene-x LIMITLESS Backpack.
-   **Sternum strap:** Removable on the Attitude Supply ATD2 Backpack; Yes on the Graphene-x LIMITLESS Backpack.
-   **Laptop sleeve:** 15in on the Attitude Supply ATD2 Backpack; 16in on the Graphene-x LIMITLESS Backpack.
-   **Main compartments:** 2 on the Attitude Supply ATD2 Backpack; 9 on the Graphene-x LIMITLESS Backpack.

Both have: passport pocket, luggage passthrough, hip belt, built-in organizer, 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. 169 accept both. 12 accept only the Attitude Supply ATD2 Backpack, and 0 accept only the Graphene-x LIMITLESS 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.

## Attitude Supply ATD2 Backpack vs. Graphene-x LIMITLESS Backpack: which should you pack?

The **Graphene-x LIMITLESS Backpack** carries 7L more than the **Attitude Supply ATD2 Backpack** (18L vs. 25L), 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 Graphene-x LIMITLESS Backpack; if you want to travel lighter, the Attitude Supply ATD2 Backpack is the better call.