---
url: "https://onebag.travel/compare/mcN0aY6G/cotopaxi-allpa-35l/g12jtyvr06/deuter-attack-20/"
title: "Cotopaxi Allpa 35L versus Deuter Attack 20 - One Bag Travel"
description: "Comparison of the Cotopaxi Allpa 35L and Deuter Attack 20 carry-on travel backpacks."
source: "https://onebag.travel/compare/mcN0aY6G/cotopaxi-allpa-35l/g12jtyvr06/deuter-attack-20/"
---
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3.  Cotopaxi Allpa 35L vs. Deuter Attack 20

# Cotopaxi Allpa 35L vs. Deuter Attack 20

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 | Deuter Attack 20 |
| --- | --- | --- |
| Storage |
| N | Compression | Y |
| None | Expanded Capacity | None |
| 1 | Opening | 4 |
| front | Passport | N |
| Y | Passthrough | N |
| Carry |
| hideable | Backpack | Y |
| hideable | Hip Belt | removable |
| Y | Sternum Strap | Y |
| Inside |
| 15in | Laptop | N |
| 3 | Main Compartments | 1 |
| Y | Organizer | Y |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | Y |
| 1, side | Water Bottle Holder | 2 |
| 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>600D PES Coat, 225D PES Ripstop</td></tr></tbody></table>

## [Deuter Attack 20](https://onebag.travel/carryon/g12jtyvr06/deuter-attack-20/)

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

![Front facing view of the Deuter Attack 20](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1621573420/carryons/Deuter_Attack_20L_yl2n0s.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>1.55 kg</td></tr><tr><td>Dimensions</td><td>50×28×20 cm</td></tr><tr><td>Airline fit</td><td>92%</td></tr></tbody></table>

When you're preparing for travel, whether for a day hike or a weekend getaway, a quality backpack makes all the difference. Looking at the Cotopaxi Allpa 35L and the Deuter Attack 20, it's clear that there are strengths for both options.

The Cotopaxi Allpa 35L is a powerhouse, offering 35 liters of capacity, built out of tough 1680D ballistic nylon paneling. It weighs in at a mere 1.5 pounds, with the notable feature of being compatible with 80% of airlines. It comes with a rain cover to protect your gear, and a laptop compartment large enough for a 15-inch device. Also noteworthy is the bag's comfortable shoulder straps, hip belt, and adjustable sternum straps, alongside added accessories like a collapsible laundry bag, a shoe bag, and a water bottle sleeve.

On the other hand, the Deuter Attack 20, constructed from 600D PES Coat, 225D PES Ripstop, is equally reliable with a 20 liters capacity. It weighs slightly more at 1.55 pounds, but outdoes the Cotopaxi by a fraction in airline compatibility, at 81%. The Deuter Attack 20 lacks a laptop compartment, but makes up for it with a harness system renowned for comfort and even load distribution, and additional offerings like a stowable helmet holder and the SAS-TEC back protector for added safety.

Comparative Points:

-   Cotopaxi Allpa 35L is made of 1680D ballistic nylon, Deuter Attack 20 is made of 600D PES Coat, 225D PES Ripstop

-   Cotopaxi Allpa 35L has a laptop compartment for up to a 15-inch laptop, Deuter Attack 20 does not have a laptop compartment

-   Cotopaxi Allpa 35 is larger in capacity, offering 35 liters, compared to the Deuter Attack 20's 20 liters

-   Both weigh closely and are equally compact, the Cotopaxi Allpa 35L weighs 1.5 pounds with the Deuter Attack 20 weighing slightly more at 1.55 pounds

-   Both are flight friendly, with Cotopaxi at 80% airline compatibility and Deuter at 81%


Upfront, the Cotopaxi Allpa 35L stands ahead for being a strong adventure and travel pack, offering a larger laptop compartment, greater capacity, and thoughtful additional accessories. Reviewers echo the superiority of its internal organization, efficiency, and comfort for sizable loads.

Yet, the Deuter Attack 20 holds its own as a reliable pack for outdoor adventures, excelling in safety features and comfort-focused design. It gets recognition for being functional and comfortable even with less capacity and without a laptop compartment.

In conclusion, if you're a gadget-savvy traveler or need to carry more load, the Cotopaxi Allpa 35L is your go-to option. For those seeking a pack for outdoor escapades with an emphasis on comfort and safety, the Deuter Attack 20 would be the preferable choice. Both are durable, reliable, and flight-friendly options, so it boils down to your specific packing needs and adventure style.