---
url: "https://onebag.travel/compare/jnip5or0b7/osprey-aoede-airspeed-backpack/ti7si2k4oi/aer-duffel-pack-3-x-pac/"
title: "Osprey Aoede Airspeed Backpack vs Aer Duffel Pack 3 X-Pac"
description: "Osprey Aoede Airspeed Backpack vs Aer Duffel Pack 3 X-Pac: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/jnip5or0b7/osprey-aoede-airspeed-backpack/ti7si2k4oi/aer-duffel-pack-3-x-pac/"
---
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2.  [Carry-On Travel Backpacks](https://onebag.travel/carryons/)
3.  Osprey Aoede Airspeed Backpack vs. Aer Duffel Pack 3 X-Pac

# Osprey Aoede Airspeed Backpack vs. Aer Duffel Pack 3 X-Pac

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

## [Osprey Aoede Airspeed Backpack](https://onebag.travel/carryon/jnip5or0b7/osprey-aoede-airspeed-backpack/)

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

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>21 L</td></tr><tr><td>Weight</td><td>1.1 kg</td></tr><tr><td>Dimensions</td><td>47×29×23 cm</td></tr><tr><td>Airline fit</td><td>73%</td></tr><tr><td>Price</td><td>$140</td></tr></tbody></table>

## Feature by feature

| Osprey Aoede Airspeed Backpack | Feature | Aer Duffel Pack 3 X-Pac |
| --- | --- | --- |
| Storage |
| N | Compression | N |
| None | Expanded Capacity | None |
| 0 | Opening | 0 |
| front | Passport | top, side |
| Y | Passthrough | Y |
| Carry |
| Y | Backpack | Y |
| N | Hip Belt | N |
| N | Sternum Strap | removable |
| Inside |
| 16in | Laptop | 16in |
| 5 | Main Compartments | 5 |
| Y | Organizer | Y |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | N |
| 2, side | Water Bottle Holder | 1, side |
| Y | Water Resistant | Y |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>840D ballistic polyester, DWR treatment</td><td>VX-42 X-Pac (also in 1680D Cordura)</td></tr></tbody></table>

## [Aer Duffel Pack 3 X-Pac](https://onebag.travel/carryon/ti7si2k4oi/aer-duffel-pack-3-x-pac/)

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

![Front facing view of the Aer Duffel Pack 3 X-Pac](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990321/carryons/aer-duffel-pack-3-x-pac-ti7si2k4oi.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>21 L</td></tr><tr><td>Weight</td><td>1.3 kg</td></tr><tr><td>Dimensions</td><td>52×30×20 cm</td></tr><tr><td>Airline fit</td><td>88%</td></tr><tr><td>Price</td><td>$210</td></tr></tbody></table>

## Key differences between the Osprey Aoede Airspeed Backpack and Aer Duffel Pack 3 X-Pac

-   **Passport pocket:** Front on the Osprey Aoede Airspeed Backpack; Top, side on the Aer Duffel Pack 3 X-Pac.
-   **Sternum strap:** No on the Osprey Aoede Airspeed Backpack; Removable on the Aer Duffel Pack 3 X-Pac.
-   **Water bottle pockets:** 2, side on the Osprey Aoede Airspeed Backpack; 1, side on the Aer Duffel Pack 3 X-Pac.

Both have: luggage passthrough, backpack straps, 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. 132 accept both. 6 accept only the Osprey Aoede Airspeed Backpack, and 35 accept only the Aer Duffel Pack 3 X-Pac.

### Only the Osprey Aoede Airspeed Backpack fits

Etihad Airways, Oman Air, Qatar Airways, Regional Express, Royal Jordanian, Virgin Australia.

### Only the Aer Duffel Pack 3 X-Pac fits

Air Baltic, Air China, Air Malta, Air Serbia, Air Seychelles, Asiana Airlines, ATA Airlines, Blue Air, Bulgaria Air, China Eastern, Emirates Airlines, Enter Air, flybe, Icelandair, InselAir, Juneyao Airlines, Liat Airlines, Luxair, Meridiana Fly, Nordwind Airlines, Pakistan International, Royal Brunei Airlines, Ryanair, S7, Shandong Airlines, Shenzhen Airlines, Sun Express, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), TUI, Ukraine International, VIM Airlines (Closed), Volotea, Xiamen.

## Osprey Aoede Airspeed Backpack vs. Aer Duffel Pack 3 X-Pac: which should you pack?

The **Osprey Aoede Airspeed Backpack** carries the same capacity as the **Aer Duffel Pack 3 X-Pac** (21L vs. 21L), while the **Osprey Aoede Airspeed Backpack** is the lighter pack at 1.1kg (vs. 1.3kg). For carry-on flexibility, the **Aer Duffel Pack 3 X-Pac** fits 88% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Osprey Aoede Airspeed Backpack; if you want to travel lighter, the Osprey Aoede Airspeed Backpack is the better call.