---
url: "https://onebag.travel/compare/mcN0aY6G/cotopaxi-allpa-35l/3dlhnne6vf/patagonia-tres-backpack-25l/"
title: "Cotopaxi Allpa 35L versus Patagonia Tres Backpack 25L - One Bag Travel"
description: "Comparison of the Cotopaxi Allpa 35L and Patagonia Tres Backpack 25L carry-on travel backpacks."
source: "https://onebag.travel/compare/mcN0aY6G/cotopaxi-allpa-35l/3dlhnne6vf/patagonia-tres-backpack-25l/"
---
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2.  [Carry-On Travel Backpacks](https://onebag.travel/carryons/)
3.  Cotopaxi Allpa 35L vs. Patagonia Tres Backpack 25L

# Cotopaxi Allpa 35L vs. Patagonia Tres Backpack 25L

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 | Patagonia Tres Backpack 25L |
| --- | --- | --- |
| Storage |
| N | Compression | N |
| None | Expanded Capacity | None |
| 1 | Opening | 1 |
| front | Passport | N |
| Y | Passthrough | Y |
| Carry |
| hideable | Backpack | hideable |
| hideable | Hip Belt | N |
| Y | Sternum Strap | Y |
| Inside |
| 15in | Laptop | 15in |
| 3 | Main Compartments | 1 |
| Y | Organizer | Y |
| 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>630-denier 100% nylon, 200-denier 100% recycled polyester</td></tr></tbody></table>

## [Patagonia Tres Backpack 25L](https://onebag.travel/carryon/3dlhnne6vf/patagonia-tres-backpack-25l/)

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

![Front facing view of the Patagonia Tres Backpack 25L](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1632804553/carryons/Patagonia_Tres_Backpack_25L_oncsjj.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>25 L</td></tr><tr><td>Weight</td><td>0.9 kg</td></tr><tr><td>Dimensions</td><td>48×31×17 cm</td></tr><tr><td>Airline fit</td><td>92%</td></tr><tr><td>Price</td><td>$129</td></tr></tbody></table>

The **Cotopaxi Allpa 35L** and the **Patagonia Tres Backpack 25L** are well-regarded in the world of wanderlust. Both of these carry on backpacks offer alluring features to potential globetrotters. But, an evaluation of their specifications reveals significant differences.

The Allpa 35L, as it suggests, boasts ample storage capacity. With a weight of 1.5 pounds, this Cotopaxi bag is more substantial than its Patagonia rival. Touted as a powerhouse for its durability, it is crafted from 1680D ballistic nylon paneling, designed to endure the rigors of travel. Its vast dimensions (20 x 30 x 51 inches) render it compatible with 80% of airlines, while allowing space for a 15-inch laptop. Recommendations often hail its light and easy design, vouching for its internal organization as a standout feature.

The **Comparison**

-   Cotopaxi Allpa 35L measures 20 inches in height, 30 inches in width, and 51 inches in depth. The Patagonia Tres Backpack 25L measures 17 inches in height, 31 inches in width, and 48 inches in depth.
-   Cotopaxi Allpa 35L weighs 1.5 pounds, while the Patagonia Tres Backpack 25L weighs 0.9 pounds.
-   Cotopaxi Allpa 35L has a storage capacity of 35 liters. Patagonia Tres Backpack 25L boasts a 25 liters capacity.
-   Cotopaxi Allpa 35L is made from 1680D ballistic nylon paneling. The Patagonia Tres Backpack 25L is created from 630-denier 100% nylon and 200-denier 100% recycled polyester.
-   Cotopaxi Allpa 35L is compatible with 80% of airlines, while the Patagonia Tres Backpack 25L secures compatibility with 98% of airlines.
-   Both bags offer sufficient space for a 15-inch laptop.

The Tres Backpack, although smaller in capacity (25L), is no less impressive. With dimensions of 17 x 31 x 48 inches, it manages compatibility with nearly all airlines (98%). A lightweight option at 0.9 pounds, it is composed of 630-denier 100% nylon and 200-denier 100% recycled polyester, ensuring toughness. Its versatility is one of its standout features, with the ability to be carried as a briefcase, messenger bag, or backpack. The clamshell opening is a unique selling point, allowing for easier and faster packing and unpacking.

Finally, both the Allpa 35L and the Tres Backpack align on the laptop storage both accommodating 15-inch laptops, making them viable options for tech-savvy people on the move. The choice depends on your preferences for weight, space, material, and versatility. In essence, the Allpa is seen as a capable carry-on companion for both urban and outdoorsy adventures, while the Tres Backpack is praised for its compact, durable design and impressive versatility.