---
url: "https://onebag.travel/compare/6oxn4kadrw/patagonia-terravia-28l/qeexab796l/osprey-aether-55/"
title: "Patagonia Terravia 28L vs Osprey Aether 55 - One Bag Travel"
description: "Patagonia Terravia 28L 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/6oxn4kadrw/patagonia-terravia-28l/qeexab796l/osprey-aether-55/"
---
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3.  Patagonia Terravia 28L vs. Osprey Aether 55

# Patagonia Terravia 28L vs. Osprey Aether 55

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

## [Patagonia Terravia 28L](https://onebag.travel/carryon/6oxn4kadrw/patagonia-terravia-28l/)

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

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>28 L</td></tr><tr><td>Weight</td><td>0.7 kg</td></tr><tr><td>Dimensions</td><td>58×28×20 cm</td></tr><tr><td>Airline fit</td><td>17%</td></tr><tr><td>Price</td><td>$170</td></tr></tbody></table>

## Feature by feature

| Patagonia Terravia 28L | Feature | Osprey Aether 55 |
| --- | --- | --- |
| Storage |
| 3 | Compression | \>5 |
| None | Expanded Capacity | None |
| 0 | Opening | 0 |
| top | Passport | top |
| N | Passthrough | N |
| Carry |
| Y | Backpack | Y |
| Y | Hip Belt | Y |
| removable | Sternum Strap | Y |
| Inside |
| N | Laptop | N |
| 2 | Main Compartments | 4 |
| N | 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>2.4-oz 70-denier 100% recycled nylon ripstop with a PU coating</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 Patagonia Terravia 28L and Osprey Aether 55

-   **Compression straps:** 3 on the Patagonia Terravia 28L; >5 on the Osprey Aether 55.
-   **Sternum strap:** Removable on the Patagonia Terravia 28L; Yes on the Osprey Aether 55.
-   **Main compartments:** 2 on the Patagonia Terravia 28L; 4 on the Osprey Aether 55.

Both have: passport pocket, backpack straps, hip belt, 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. 31 accept only the Patagonia Terravia 28L, and 0 accept only the Osprey Aether 55.

### Only the Patagonia Terravia 28L fits

Adria Airways, Air Europa, Air Koryo, Air New Zealand, Air Tahiti Nui, Azul Linhas, Caribbean Airlines, Cayman Airways, China Southern, Conviasa, Croatia Air, Cubana de Aviacion, Frontier Airlines, Hainan Airlines, Island Air, Korean Air, PenAir, Philippine Airlines, Royal Air Morocco, Saudi Arabian Airlines, Sichuan Airlines, SilkAir, Silver Airways, Singapore Airlines, Southwest Airlines, SpiceJet, Sun Country, TAAG Angola, TAM Airlines, Ural Airlines, Virgin America.

## Patagonia Terravia 28L vs. Osprey Aether 55: which should you pack?

The **Osprey Aether 55** carries 27L more than the **Patagonia Terravia 28L** (28L vs. 55L), while the **Patagonia Terravia 28L** is the lighter pack at 0.7kg (vs. 2.2kg). For carry-on flexibility, the **Patagonia Terravia 28L** fits 17% 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 Patagonia Terravia 28L is the better call.