---
url: "https://onebag.travel/compare/ci7xy95hjm/osprey-tempest-33/qeexab796l/osprey-aether-55/"
title: "Osprey Tempest 33 vs Osprey Aether 55 - One Bag Travel"
description: "Osprey Tempest 33 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/ci7xy95hjm/osprey-tempest-33/qeexab796l/osprey-aether-55/"
---
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3.  Osprey Tempest 33 vs. Osprey Aether 55

# Osprey Tempest 33 vs. Osprey Aether 55

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

## [Osprey Tempest 33](https://onebag.travel/carryon/ci7xy95hjm/osprey-tempest-33/)

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

![Front facing view of the Osprey Tempest 33](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990495/carryons/osprey-tempest-33-ci7xy95hjm.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>33 L</td></tr><tr><td>Weight</td><td>1.2 kg</td></tr><tr><td>Dimensions</td><td>63×31×30 cm</td></tr><tr><td>Airline fit</td><td>1%</td></tr><tr><td>Price</td><td>$200</td></tr></tbody></table>

## Feature by feature

| Osprey Tempest 33 | Feature | Osprey Aether 55 |
| --- | --- | --- |
| Storage |
| 6 | Compression | \>5 |
| None | Expanded Capacity | None |
| 0 | Opening | 0 |
| top | Passport | top |
| N | Passthrough | N |
| Carry |
| Y | Backpack | Y |
| Y | Hip Belt | Y |
| Y | Sternum Strap | Y |
| Inside |
| N | Laptop | N |
| 2 | Main Compartments | 4 |
| N | Organizer | N |
| Outside |
| × | Hard Shell | × |
| N | 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 100D high-tenacity nylon w/ dobby check ripstop, DWR treatment 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 Tempest 33 and Osprey Aether 55

-   **Compression straps:** 6 on the Osprey Tempest 33; >5 on the Osprey Aether 55.
-   **Main compartments:** 2 on the Osprey Tempest 33; 4 on the Osprey Aether 55.
-   **Rain cover:** No on the Osprey Tempest 33; Yes on the Osprey Aether 55.

Both have: passport pocket, backpack straps, hip belt, sternum strap, 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. 1 accept only the Osprey Tempest 33, and 0 accept only the Osprey Aether 55.

### Only the Osprey Tempest 33 fits

Virgin America.

## Osprey Tempest 33 vs. Osprey Aether 55: which should you pack?

The **Osprey Aether 55** carries 22L more than the **Osprey Tempest 33** (33L vs. 55L), while the **Osprey Tempest 33** is the lighter pack at 1.2kg (vs. 2.2kg). For carry-on flexibility, the **Osprey Tempest 33** fits 1% 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 Tempest 33 is the better call.