---
url: "https://onebag.travel/compare/9jo001afhl/exped-metro-20/lgggqva3tj/aer-duffel-pack-2/"
title: "Exped Metro 20 vs Aer Duffel Pack 2 - One Bag Travel"
description: "Exped Metro 20 vs Aer Duffel Pack 2: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/9jo001afhl/exped-metro-20/lgggqva3tj/aer-duffel-pack-2/"
---
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2.  [Carry-On Travel Backpacks](https://onebag.travel/carryons/)
3.  Exped Metro 20 vs. Aer Duffel Pack 2

# Exped Metro 20 vs. Aer Duffel Pack 2

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

## [Exped Metro 20](https://onebag.travel/carryon/9jo001afhl/exped-metro-20/)

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

![Front facing view of the Exped Metro 20](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1623861489/carryons/Exped_Metro_20_bdlg25.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>0.72 kg</td></tr><tr><td>Dimensions</td><td>50×28×17 cm</td></tr><tr><td>Airline fit</td><td>92%</td></tr><tr><td>Price</td><td>$99</td></tr></tbody></table>

## Feature by feature

| Exped Metro 20 | Feature | Aer Duffel Pack 2 |
| --- | --- | --- |
| Storage |
| N | Compression | N |
| None | Expanded Capacity | None |
| 1 | Opening | 0 |
| N | Passport | N |
| N | Passthrough | N |
| Carry |
| Y | Backpack | Y |
| N | Hip Belt | N |
| Y | Sternum Strap | Y |
| Inside |
| 15in | Laptop | 15in |
| 1 | Main Compartments | 3 |
| N | Organizer | N |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | N |
| 2 | Water Bottle Holder | 1 |
| Y | Water Resistant | Y |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>600 D ripstop polyester, PU coated, 1'200 mm water column</td><td>900D eco-dyed polyester exterior</td></tr></tbody></table>

## [Aer Duffel Pack 2](https://onebag.travel/carryon/lgggqva3tj/aer-duffel-pack-2/)

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

![Front facing view of the Aer Duffel Pack 2](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1618225092/carryons/Aer_Duffel_Pack_2_wphfg9.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>24.6 L</td></tr><tr><td>Weight</td><td>1.1 kg</td></tr><tr><td>Dimensions</td><td>55×30×20 cm</td></tr><tr><td>Airline fit</td><td>86%</td></tr><tr><td>Price</td><td>$136</td></tr></tbody></table>

## Key differences between the Exped Metro 20 and Aer Duffel Pack 2

-   **Opening:** Clamshell on the Exped Metro 20; Other on the Aer Duffel Pack 2.
-   **Main compartments:** 1 on the Exped Metro 20; 3 on the Aer Duffel Pack 2.
-   **Water bottle pockets:** 2 on the Exped Metro 20; 1 on the Aer Duffel Pack 2.

Both have: backpack straps, sternum strap, laptop sleeve, water resistant.

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

We checked both bags against the carry-on size limits of 189 airlines. 163 accept both. 11 accept only the Exped Metro 20, and 0 accept only the Aer Duffel Pack 2.

### Only the Exped Metro 20 fits

Air Niugini, Belavia, Etihad Airways, Great Lakes Airlines, Liat Airlines, Oman Air, Qatar Airways, Royal Jordanian, Scoot, Tiger Airways, WestJet.

## Exped Metro 20 vs. Aer Duffel Pack 2: which should you pack?

The **Aer Duffel Pack 2** carries 4.600000000000001L more than the **Exped Metro 20** (20L vs. 24.6L), while the **Exped Metro 20** is the lighter pack at 0.72kg (vs. 1.1kg). For carry-on flexibility, the **Exped Metro 20** fits 92% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Aer Duffel Pack 2; if you want to travel lighter, the Exped Metro 20 is the better call.