---
url: "https://onebag.travel/compare/8odmvoxk1w/pakt-aero-travel-backpack/ahyvuk1jes/attitude-supply-atd2-backpack/"
title: "Pakt Aero Travel Backpack vs Attitude Supply ATD2 Backpack"
description: "Pakt Aero Travel Backpack 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/8odmvoxk1w/pakt-aero-travel-backpack/ahyvuk1jes/attitude-supply-atd2-backpack/"
---
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2.  [Carry-On Travel Backpacks](https://onebag.travel/carryons/)
3.  Pakt Aero Travel Backpack vs. Attitude Supply ATD2 Backpack

# Pakt Aero Travel Backpack vs. Attitude Supply ATD2 Backpack

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

## [Pakt Aero Travel Backpack](https://onebag.travel/carryon/8odmvoxk1w/pakt-aero-travel-backpack/)

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

![Front facing view of the Pakt Aero Travel Backpack](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990498/carryons/pakt-aero-travel-backpack-8odmvoxk1w.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>35 L</td></tr><tr><td>Weight</td><td>1 kg</td></tr><tr><td>Dimensions</td><td>50×30×24 cm</td></tr><tr><td>Airline fit</td><td>41%</td></tr><tr><td>Price</td><td>$260</td></tr></tbody></table>

## Feature by feature

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

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>Aeroweave 210D Nylon ripstop</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 Pakt Aero Travel Backpack and Attitude Supply ATD2 Backpack

-   **Backpack straps:** Hideable on the Pakt Aero Travel Backpack; Removable on the Attitude Supply ATD2 Backpack.
-   **Laptop sleeve:** 16in on the Pakt Aero Travel Backpack; 15in on the Attitude Supply ATD2 Backpack.
-   **Main compartments:** 4 on the Pakt Aero Travel Backpack; 2 on the Attitude Supply ATD2 Backpack.
-   **Water bottle pockets:** 1, side on the Pakt Aero Travel Backpack; 2, side on the Attitude Supply ATD2 Backpack.

Both have: compression straps, passport pocket, luggage passthrough, hip belt, sternum strap, 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. 77 accept both. 0 accept only the Pakt Aero Travel Backpack, and 104 accept only the Attitude Supply ATD2 Backpack.

### Only the Attitude Supply ATD2 Backpack fits

Air Asia, Air Baltic, Air Canada, Air China, Air Macau, Air Malta, Air Niugini, Air Serbia, Air Seychelles, Air Tahiti, Air Wisconsin, AirAsiaX, Alaska Airlines, Allegiant Air, American Airlines, American Eagle, Asiana Airlines, ATA Airlines, Austrian, Avianca , Azerbaijan Airlines, Bahamasair, Bangkok Airways, Belavia, Biman Bangladesh, Blue Air, Brussels Airlines, Bulgaria Air, Cambodia Angkor Air, Cathay Pacific, Cayman Airways, Cebu Pacific, China Airlines, China Eastern, CommutAir, Delta Airlines, Dragonair, easyJet, Emirates Airlines, Enter Air, Ethiopian Airlines, Eurowings, EVA Air, Fiji Airways, Flair Air, flybe, Garuda Indonesia, Great Lakes Airlines, Gulf Air, Hawaiian Airlines, Hong Kong Airlines, Icelandair, InselAir, jetBlue Airways, Jetstar Airways, Jetstar Asia, Juneyao Airlines, Kulula, Liat Airlines, LOT Polish, Lufthansa, Luxair, Mahan Air, Malaysia Airlines, Mango, Meridiana Fly, Mesa Airlines, Nordwind Airlines, Norwegian, Pakistan International, Porter Airlines, Qantas Airways, Ravn Alaska, Regional Express, Republic Airways, Royal Brunei Airlines, Royal Jordanian, Ryanair, S7, SAS Scandinavian, Scoot, Shandong Airlines, Shenzhen Airlines, Skywest, Inc., South African Airways, SriLankan Airlines, Sun Express, Swiss Int'l Air Lines, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), Tiger Airways, Trans States, TUI, Turkish Airlines, Ukraine International, United Airlines, Vietnam Airlines, VIM Airlines (Closed), Virgin Atlantic, Virgin Australia, Volotea, WestJet, Xiamen.

## Pakt Aero Travel Backpack vs. Attitude Supply ATD2 Backpack: which should you pack?

The **Pakt Aero Travel Backpack** carries 17L more than the **Attitude Supply ATD2 Backpack** (35L vs. 18L), while the **Pakt Aero Travel Backpack** is the lighter pack at 1kg (vs. 1.3kg). 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 Pakt Aero Travel Backpack; if you want to travel lighter, the Pakt Aero Travel Backpack is the better call.