---
url: "https://onebag.travel/compare/fnpb473pij/osprey-manta-34/qeexab796l/osprey-aether-55/"
title: "Osprey Manta 34 vs Osprey Aether 55 - One Bag Travel"
description: "Osprey Manta 34 vs Osprey Aether 55: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/fnpb473pij/osprey-manta-34/qeexab796l/osprey-aether-55/"
---
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3.  Osprey Manta 34 vs. Osprey Aether 55

# Osprey Manta 34 vs. Osprey Aether 55

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

## [Osprey Manta 34](https://onebag.travel/carryon/fnpb473pij/osprey-manta-34/)

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

![Front facing view of the Osprey Manta 34](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990492/carryons/osprey-manta-34-fnpb473pij.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>34 L</td></tr><tr><td>Weight</td><td>1.4 kg</td></tr><tr><td>Dimensions</td><td>62×35×28 cm</td></tr><tr><td>Airline fit</td><td>2%</td></tr><tr><td>Price</td><td>$220</td></tr></tbody></table>

## Feature by feature

| Osprey Manta 34 | Feature | Osprey Aether 55 |
| --- | --- | --- |
| Storage |
| 4 | Compression | \>5 |
| None | Expanded Capacity | None |
| 1 | Opening | 0 |
| top | Passport | top |
| N | Passthrough | N |
| Carry |
| Y | Backpack | Y |
| Y | Hip Belt | Y |
| Y | Sternum Strap | Y |
| Inside |
| N | Laptop | N |
| 4 | Main Compartments | 4 |
| Y | Organizer | N |
| Outside |
| × | Hard Shell | × |
| Y | Rain-fly | Y |
| 2, side | Water Bottle Holder | 2, side |
| Y | Water Resistant | Y |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>bluesign® APPROVED 100% recycled 210D high-tenacity honey comb contrast nylon, DWR treatments made without PFAS</td><td>bluesign® APPROVED 420HD nylon packcloth, PFC-free DWR</td></tr></tbody></table>

## [Osprey Aether 55](https://onebag.travel/carryon/qeexab796l/osprey-aether-55/)

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

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>55 L</td></tr><tr><td>Weight</td><td>2.2 kg</td></tr><tr><td>Dimensions</td><td>83×38×25 cm</td></tr><tr><td>Airline fit</td><td>1%</td></tr><tr><td>Price</td><td>$325</td></tr></tbody></table>

## Key differences between the Osprey Manta 34 and Osprey Aether 55

-   **Compression straps:** 4 on the Osprey Manta 34; >5 on the Osprey Aether 55.
-   **Opening:** Clamshell on the Osprey Manta 34; Other on the Osprey Aether 55.
-   **Built-in organizer:** Yes on the Osprey Manta 34; No on the Osprey Aether 55.

Both have: passport pocket, backpack straps, hip belt, sternum strap, rain cover, water bottle pockets, water resistant.

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

We checked both bags against the carry-on size limits of 189 airlines. 1 accept both. 2 accept only the Osprey Manta 34, and 0 accept only the Osprey Aether 55.

### Only the Osprey Manta 34 fits

Island Air, Virgin America.

## Osprey Manta 34 vs. Osprey Aether 55: which should you pack?

The **Osprey Aether 55** carries 21L more than the **Osprey Manta 34** (34L vs. 55L), while the **Osprey Manta 34** is the lighter pack at 1.4kg (vs. 2.2kg). For carry-on flexibility, the **Osprey Manta 34** fits 2% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Osprey Aether 55; if you want to travel lighter, the Osprey Manta 34 is the better call.