---
url: "https://onebag.travel/compare/010ljxisxd/mountainsmith-divide-evo-daypack/lgggqva3tj/aer-duffel-pack-2/"
title: "Mountainsmith Divide EVO Daypack vs Aer Duffel Pack 2"
description: "Mountainsmith Divide EVO Daypack 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/010ljxisxd/mountainsmith-divide-evo-daypack/lgggqva3tj/aer-duffel-pack-2/"
---
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2.  [Carry-On Travel Backpacks](https://onebag.travel/carryons/)
3.  Mountainsmith Divide EVO Daypack vs. Aer Duffel Pack 2

# Mountainsmith Divide EVO Daypack vs. Aer Duffel Pack 2

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

## [Mountainsmith Divide EVO Daypack](https://onebag.travel/carryon/010ljxisxd/mountainsmith-divide-evo-daypack/)

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

![Front facing view of the Mountainsmith Divide EVO Daypack](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990386/carryons/mountainsmith-divide-evo-daypack-010ljxisxd.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>16 L</td></tr><tr><td>Weight</td><td>0.7 kg</td></tr><tr><td>Dimensions</td><td>44×29×15 cm</td></tr><tr><td>Airline fit</td><td>95%</td></tr><tr><td>Price</td><td>$130</td></tr></tbody></table>

## Feature by feature

| Mountainsmith Divide EVO Daypack | Feature | Aer Duffel Pack 2 |
| --- | --- | --- |
| Storage |
| N | Compression | N |
| None | Expanded Capacity | None |
| 0 | Opening | 0 |
| front | Passport | N |
| N | Passthrough | N |
| Carry |
| Y | Backpack | Y |
| N | Hip Belt | N |
| removable | Sternum Strap | Y |
| Inside |
| 15in | Laptop | 15in |
| 3 | Main Compartments | 3 |
| N | Organizer | N |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | N |
| 2, side | Water Bottle Holder | 1 |
| Y | Water Resistant | Y |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>500d Nylon Cordura</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 Mountainsmith Divide EVO Daypack and Aer Duffel Pack 2

-   **Passport pocket:** Front on the Mountainsmith Divide EVO Daypack; No on the Aer Duffel Pack 2.
-   **Sternum strap:** Removable on the Mountainsmith Divide EVO Daypack; Yes on the Aer Duffel Pack 2.
-   **Water bottle pockets:** 2, side on the Mountainsmith Divide EVO Daypack; 1 on the Aer Duffel Pack 2.

Both have: backpack straps, 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. 17 accept only the Mountainsmith Divide EVO Daypack, and 0 accept only the Aer Duffel Pack 2.

### Only the Mountainsmith Divide EVO Daypack fits

Air Niugini, Air Tahiti, American Eagle, Belavia, easyJet, Etihad Airways, Gulf Air, Liat Airlines, Oman Air, Qatar Airways, Ravn Alaska, Regional Express, Royal Jordanian, Scoot, Tiger Airways, Virgin Australia, WestJet.

## Mountainsmith Divide EVO Daypack vs. Aer Duffel Pack 2: which should you pack?

The **Aer Duffel Pack 2** carries 8.600000000000001L more than the **Mountainsmith Divide EVO Daypack** (16L vs. 24.6L), while the **Mountainsmith Divide EVO Daypack** is the lighter pack at 0.7kg (vs. 1.1kg). For carry-on flexibility, the **Mountainsmith Divide EVO Daypack** fits 95% 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 Mountainsmith Divide EVO Daypack is the better call.