---
url: "https://onebag.travel/compare/18m6w9660g/salomon-trailblazer-20/qeexab796l/osprey-aether-55/"
title: "Salomon Trailblazer 20 vs Osprey Aether 55 - One Bag Travel"
description: "Salomon Trailblazer 20 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/18m6w9660g/salomon-trailblazer-20/qeexab796l/osprey-aether-55/"
---
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3.  Salomon Trailblazer 20 vs. Osprey Aether 55

# Salomon Trailblazer 20 vs. Osprey Aether 55

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

## [Salomon Trailblazer 20](https://onebag.travel/carryon/18m6w9660g/salomon-trailblazer-20/)

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

![Front facing view of the Salomon Trailblazer 20](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990433/carryons/salomon-trailblazer-20-18m6w9660g.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>20 L</td></tr><tr><td>Weight</td><td>0.4 kg</td></tr><tr><td>Dimensions</td><td>48×26×10 cm</td></tr><tr><td>Airline fit</td><td>93%</td></tr><tr><td>Price</td><td>$75</td></tr></tbody></table>

## Feature by feature

| Salomon Trailblazer 20 | Feature | Osprey Aether 55 |
| --- | --- | --- |
| Storage |
| N | 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>100% Polyamide</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 Salomon Trailblazer 20 and Osprey Aether 55

-   **Compression straps:** No on the Salomon Trailblazer 20; >5 on the Osprey Aether 55.
-   **Main compartments:** 2 on the Salomon Trailblazer 20; 4 on the Osprey Aether 55.
-   **Rain cover:** No on the Salomon Trailblazer 20; 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. 175 accept only the Salomon Trailblazer 20, and 0 accept only the Osprey Aether 55.

### Only the Salomon Trailblazer 20 fits

Adria Airways, Aegean Airlines, Aer Lingus, Aeroflot, Aerolineas Argentinas, Aeromexico, Air Asia, Air Astana, Air Baltic, Air Canada, Air Caraibes, Air China, Air Europa, Air France, Air India, Air Koryo, Air Macau, Air Malta, Air Mauritius, Air New Zealand, Air Niugini, Air Nostrum, Air Serbia, Air Seychelles, Air Tahiti Nui, Air Wisconsin, AirAsiaX, Alaska Airlines, All Nipon Airways, Allegiant Air, American Airlines, ANA, Asiana Airlines, ATA Airlines, Atlas Global, Austrian, Avianca , Azerbaijan Airlines, Azul Linhas, Bahamasair, Bangkok Airways, Belavia, Biman Bangladesh, Blue Air, Boliviana de Aviacion, British Airways, Brussels Airlines, Bulgaria Air, Cambodia Angkor Air, Caribbean Airlines, Cathay Pacific, Cayman Airways, Cebu Pacific, China Airlines, China Eastern, China Southern, CommutAir, Conviasa, Copa Airlines, Croatia Air, Cubana de Aviacion, Czech Airlines, Delta Airlines, Dragonair, EL AL, Emirates Airlines, Enter Air, Ethiopian Airlines, Etihad Airways, Eurowings, EVA Air, Fiji Airways, Finnair, Flair Air, flybe, Frontier Airlines, Garuda Indonesia, Gol Linhas Aereas, Great Lakes Airlines, Hainan Airlines, Hawaiian Airlines, Hong Kong Airlines, Iberia, Icelandair, Indigo, InselAir, Interjet, Iran Air, Iran Aseman Air, Island Air, Japan Airlines, Jet Airways, Jet2, jetBlue Airways, Jetstar Airways, Jetstar Asia, Juneyao Airlines, Kenya Airways, KLM, Korean Air, Kulula, Kuwait Air, LATAM , Liat Airlines, LOT Polish, Lufthansa, Luxair, Mahan Air, Malaysia Airlines, Mango, Meridiana Fly, Mesa Airlines, Middle East Airlines, Monarch Airlines, Nordwind Airlines, Norwegian, Oman Air, Onur Air, Pakistan International, Peach, PenAir, Philippine Airlines, Porter Airlines, Qantas Airways, Qatar Airways, Regional Express, Republic Airways, Royal Air Morocco, Royal Brunei Airlines, Royal Jordanian, Ryanair, S7, SAS Scandinavian, Saudi Arabian Airlines, Scoot, Shandong Airlines, Shenzhen Airlines, Sichuan Airlines, SilkAir, Silver Airways, Singapore Airlines, Sky Airlines, Skywest, Inc., South African Airways, Southwest Airlines, SpiceJet, Spirit Airlines, SriLankan Airlines, Sun Country, Sun Express, Swiss Int'l Air Lines, TAAG Angola, TAM Airlines, TAP Air Portugal, TAROM, Thai Airways, Tianjin Airlines (A320 & E190), Tiger Airways, Trans States, Travel Service Airlines, TUI, Turkish Airlines, Ukraine International, United Airlines, Ural Airlines, Uzbekistan Air, Vietnam Airlines, VIM Airlines (Closed), Virgin America, Virgin Atlantic, Virgin Australia, Volotea, WestJet, WOW Airlines, Xiamen.

## Salomon Trailblazer 20 vs. Osprey Aether 55: which should you pack?

The **Osprey Aether 55** carries 35L more than the **Salomon Trailblazer 20** (20L vs. 55L), while the **Salomon Trailblazer 20** is the lighter pack at 0.4kg (vs. 2.2kg). For carry-on flexibility, the **Salomon Trailblazer 20** fits 93% 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 Salomon Trailblazer 20 is the better call.