---
url: "https://onebag.travel/compare/20su8gi2ui/patagonia-ascensionist-pack-35l/hlsu43f6/osprey-stratos-50/"
title: "Patagonia Ascensionist Pack 35L vs Osprey Stratos 50"
description: "Patagonia Ascensionist Pack 35L vs Osprey Stratos 50: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/20su8gi2ui/patagonia-ascensionist-pack-35l/hlsu43f6/osprey-stratos-50/"
---
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3.  Patagonia Ascensionist Pack 35L vs. Osprey Stratos 50

# Patagonia Ascensionist Pack 35L vs. Osprey Stratos 50

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

## [Patagonia Ascensionist Pack 35L](https://onebag.travel/carryon/20su8gi2ui/patagonia-ascensionist-pack-35l/)

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

![Front facing view of the Patagonia Ascensionist Pack 35L](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1633485761/carryons/Ascensionist_Alpine_Pack_35_r24jyt.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>35 L</td></tr><tr><td>Weight</td><td>0.89 kg</td></tr><tr><td>Dimensions</td><td>65×31×14 cm</td></tr><tr><td>Airline fit</td><td>13%</td></tr><tr><td>Price</td><td>$179</td></tr></tbody></table>

## Feature by feature

| Patagonia Ascensionist Pack 35L | Feature | Osprey Stratos 50 |
| --- | --- | --- |
| Storage |
| removable | Compression | Y |
| None | Expanded Capacity | None |
| 0 | Opening | 0 |
| N | Passport | N |
| N | Passthrough | N |
| Carry |
| Y | Backpack | Y |
| Y | Hip Belt | Y |
| removable | Sternum Strap | Y |
| Inside |
| N | Laptop |  |
| 1 | Main Compartments | 1 |
| N | Organizer | N |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | N |
| N | Water Bottle Holder | N |
| Y | Water Resistant | Y |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>420-denier 100% recycled nylon ripstop, 70-denier 100% nylon ripstop</td><td>210D Nylon Crosshatch</td></tr></tbody></table>

## [Osprey Stratos 50](https://onebag.travel/carryon/hlsu43f6/osprey-stratos-50/)

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

![Front facing view of the Osprey Stratos 50](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1616329597/carryons/opplanet-osprey-stratos-50-hiking-backpack-sungrazer-orange-m-l-10001844-main_k0ei4b.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>47 L</td></tr><tr><td>Weight</td><td>1.613 kg</td></tr><tr><td>Dimensions</td><td>65×38×36 cm</td></tr><tr><td>Airline fit</td><td>1%</td></tr><tr><td>Price</td><td>$190</td></tr></tbody></table>

## Key differences between the Patagonia Ascensionist Pack 35L and Osprey Stratos 50

-   **Compression straps:** Removable on the Patagonia Ascensionist Pack 35L; Yes on the Osprey Stratos 50.
-   **Sternum strap:** Removable on the Patagonia Ascensionist Pack 35L; Yes on the Osprey Stratos 50.

Both have: backpack straps, hip belt, 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. 24 accept only the Patagonia Ascensionist Pack 35L, and 0 accept only the Osprey Stratos 50.

### Only the Patagonia Ascensionist Pack 35L fits

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

## Patagonia Ascensionist Pack 35L vs. Osprey Stratos 50: which should you pack?

The **Osprey Stratos 50** carries 12L more than the **Patagonia Ascensionist Pack 35L** (35L vs. 47L), while the **Patagonia Ascensionist Pack 35L** is the lighter pack at 0.89kg (vs. 1.613kg). For carry-on flexibility, the **Patagonia Ascensionist Pack 35L** fits 13% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Osprey Stratos 50; if you want to travel lighter, the Patagonia Ascensionist Pack 35L is the better call.