---
url: "https://onebag.travel/compare/mcN0aY6G/cotopaxi-allpa-35l/hLsU43f6/osprey-stratos-50/"
title: "Cotopaxi Allpa 35L versus Osprey Stratos 50 - One Bag Travel"
description: "Comparison of the Cotopaxi Allpa 35L and Osprey Stratos 50 carry-on travel backpacks."
source: "https://onebag.travel/compare/mcN0aY6G/cotopaxi-allpa-35l/hLsU43f6/osprey-stratos-50/"
---
1.  [Home](https://onebag.travel/)
2.  [Carry-On Travel Backpacks](https://onebag.travel/carryons/)
3.  Cotopaxi Allpa 35L vs. Osprey Stratos 50

# Cotopaxi Allpa 35L vs. Osprey Stratos 50

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

## [Cotopaxi Allpa 35L](https://onebag.travel/carryon/mcN0aY6G/cotopaxi-allpa-35l/)

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

![Front facing view of the Cotopaxi Allpa 35L](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/carryons/an7zqlk8sro7sdinpykn)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>35 L</td></tr><tr><td>Weight</td><td>1.3 kg</td></tr><tr><td>Dimensions</td><td>56×30×25 cm</td></tr><tr><td>Airline fit</td><td>26%</td></tr><tr><td>Price</td><td>$225</td></tr></tbody></table>

## Feature by feature

| Cotopaxi Allpa 35L | Feature | Osprey Stratos 50 |
| --- | --- | --- |
| Storage |
| N | Compression | Y |
| None | Expanded Capacity | None |
| 1 | Opening | 0 |
| front | Passport | N |
| Y | Passthrough | N |
| Carry |
| hideable | Backpack | Y |
| hideable | Hip Belt | Y |
| Y | Sternum Strap | Y |
| Inside |
| 15in | Laptop |  |
| 3 | Main Compartments | 1 |
| Y | Organizer | N |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | N |
| 1, side | Water Bottle Holder | N |
| Y | Water Resistant | Y |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>100% recycled 840D TPU-coated nylon</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>

In the world of backpacks, the Cotopaxi Allpa 35L and the Osprey Stratos 50 each hold their own. The Cotopaxi Allpa, with its 1680D ballistic nylon paneling, is a robust bag built for durability and convenience. It's compact, light, and compatible with 80% of airlines' carry-on standards. It even houses a laptop compartment, making it a definite winner for digital nomads or business travelers.

The Osprey Stratos 50, on the other hand, offers an impressive 47-litre capacity, more-than-adequate for long haul trips. It's slightly heavier than the Allpa and constructed from 210D Nylon Crosshatch, projecting a blend of toughness and style. The Stratos' allure is its compatibility with extended trips, backed by Osprey's well-established reputation for quality bag-making. Despite its size, it won't pass in as many airlines' carry-on but brings comfort to bear with good back ventilation.

Quick Comparison:

-   **Cotopaxi Allpa 35L**
    -   35-liter capacity
    -   Weighs 1.5 pounds
    -   80% airline carry-on friendly
    -   Constructed with 1680D ballistic nylon
    -   Comes with a laptop compartment
-   **Osprey Stratos 50**
    -   47-liter capacity
    -   Weighs 1.613 pounds
    -   18% airline carry-on friendly
    -   Made of 210D Nylon Crosshatch
    -   Does not have a laptop compartment

While each of the backpacks has its strong suits, the choice comes down to travelers' specific needs. If you prioritize organization, compact design, and flying friendliness, the Cotopaxi Allpa remains your go-to. Extra points get scored for its collapsible mesh laundry bag, nylon shoe bag, and a mesh water bottle sleeve.

The Osprey Stratos 50 strikes the right chord for long-term wanderers needing ample storage and lasting comfort. Although it lacks a compartment for your tech gadgets, its back ventilation and spaciousness make it a serious contester. In conclusion, both the Cotopaxi Allpa 35L and the Osprey Stratos 50 are solid backpack choices that speak volumes of functionality and quality design. It's never a question of 'better', but rather, 'best fitted for your travel requirements'.