---
url: "https://onebag.travel/compare/29q8f5f01q/exped-core-25/tetv1w5oec/mammut-aenergy-12/"
title: "Exped Core 25 vs Mammut Aenergy 12 - One Bag Travel"
description: "Exped Core 25 vs Mammut Aenergy 12: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/29q8f5f01q/exped-core-25/tetv1w5oec/mammut-aenergy-12/"
---
1.  [Home](https://onebag.travel/)
2.  [Carry-On Travel Backpacks](https://onebag.travel/carryons/)
3.  Exped Core 25 vs. Mammut Aenergy 12

# Exped Core 25 vs. Mammut Aenergy 12

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

## [Exped Core 25](https://onebag.travel/carryon/29q8f5f01q/exped-core-25/)

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

![Front facing view of the Exped Core 25](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1623758175/carryons/Exped_Core_25_megez5.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>0.1 kg</td></tr><tr><td>Dimensions</td><td>54×27×20 cm</td></tr><tr><td>Airline fit</td><td>88%</td></tr></tbody></table>

## Feature by feature

| Exped Core 25 | Feature | Mammut Aenergy 12 |
| --- | --- | --- |
| Storage |
| N | Compression | N |
| None | Expanded Capacity | None |
| 3 | Opening | 1 |
| N | Passport | N |
| N | Passthrough | N |
| Carry |
| Y | Backpack | Y |
| removable | Hip Belt | removable |
| Y | Sternum Strap | removable |
| Inside |
| N | Laptop | N |
| 1 | Main Compartments | 1 |
| N | Organizer | N |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | N |
| N | Water Bottle Holder | N |
| Y | Water Resistant | N |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>1680 D Ballistic nylon, PU coated, 1'500 mm water column</td><td>100% Polyamide</td></tr></tbody></table>

## [Mammut Aenergy 12](https://onebag.travel/carryon/tetv1w5oec/mammut-aenergy-12/)

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

![Front facing view of the Mammut Aenergy 12](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990380/carryons/mammut-aenergy-12-tetv1w5oec.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>12 L</td></tr><tr><td>Weight</td><td>0.3 kg</td></tr><tr><td>Dimensions</td><td>46×23×17 cm</td></tr><tr><td>Airline fit</td><td>95%</td></tr><tr><td>Price</td><td>$80</td></tr></tbody></table>

## Key differences between the Exped Core 25 and Mammut Aenergy 12

-   **Opening:** Top flap on the Exped Core 25; Clamshell on the Mammut Aenergy 12.
-   **Sternum strap:** Yes on the Exped Core 25; Removable on the Mammut Aenergy 12.
-   **Water resistant:** Yes on the Exped Core 25; No on the Mammut Aenergy 12.

Both have: backpack straps, hip belt.

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

We checked both bags against the carry-on size limits of 189 airlines. 167 accept both. 0 accept only the Exped Core 25, and 12 accept only the Mammut Aenergy 12.

### Only the Mammut Aenergy 12 fits

Air Niugini, American Eagle, Belavia, easyJet, Etihad Airways, Oman Air, Qatar Airways, Ravn Alaska, Regional Express, Royal Jordanian, Virgin Australia, WestJet.

## Exped Core 25 vs. Mammut Aenergy 12: which should you pack?

The **Exped Core 25** carries 13L more than the **Mammut Aenergy 12** (25L vs. 12L), while the **Exped Core 25** is the lighter pack at 0.1kg (vs. 0.3kg). For carry-on flexibility, the **Mammut Aenergy 12** fits 95% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Exped Core 25; if you want to travel lighter, the Exped Core 25 is the better call.