---
url: "https://onebag.travel/compare/mcN0aY6G/cotopaxi-allpa-35l/9xu51kf1km/aer-travel-pack-2-small/"
title: "Cotopaxi Allpa 35L versus Aer Travel Pack 2 Small - One Bag Travel"
description: "Comparison of the Cotopaxi Allpa 35L and Aer Travel Pack 2 Small carry-on travel backpacks."
source: "https://onebag.travel/compare/mcN0aY6G/cotopaxi-allpa-35l/9xu51kf1km/aer-travel-pack-2-small/"
---
1.  [Home](https://onebag.travel/)
2.  [Carry-On Travel Backpacks](https://onebag.travel/carryons/)
3.  Cotopaxi Allpa 35L vs. Aer Travel Pack 2 Small

# Cotopaxi Allpa 35L vs. Aer Travel Pack 2 Small

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 | Aer Travel Pack 2 Small |
| --- | --- | --- |
| Storage |
| N | Compression | 4 |
| None | Expanded Capacity | None |
| 1 | Opening | 1 |
| front | Passport | top, side |
| Y | Passthrough | Y |
| Carry |
| hideable | Backpack | Y |
| hideable | Hip Belt | optional |
| Y | Sternum Strap | removable |
| Inside |
| 15in | Laptop | 16in |
| 3 | Main Compartments | 5 |
| Y | Organizer | Y |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | N |
| 1, side | Water Bottle Holder | 1, side |
| 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>700D Cordura</td></tr></tbody></table>

## [Aer Travel Pack 2 Small](https://onebag.travel/carryon/9xu51kf1km/aer-travel-pack-2-small/)

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

![Front facing view of the Aer Travel Pack 2 Small](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1620122261/carryons/Aer_Travel_Pack_2_Small_hkws6h.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>28 L</td></tr><tr><td>Weight</td><td>1.7 kg</td></tr><tr><td>Dimensions</td><td>48×33×19 cm</td></tr><tr><td>Airline fit</td><td>92%</td></tr><tr><td>Price</td><td>$229</td></tr></tbody></table>

If you're in the marker for a solid travel backpack that caters to both, outdoor adventures along with urban travels, the Cotopaxi Allpa 35L and the Aer Travel Pack 2 Small make for excellent options. Both the bags embrace comfort, durability, and ample storage but differ in unique ways which makes each standout in their own light.

In terms of dimensions, the Cotopaxi Allpa 35L spans up to 20 inches tall, 30 inches wide, and 51 inches deep. This model is larger than its competitor, the Aer Travel Pack 2 Small, which measures in at 19 inches tall, 32 inches wide, and 48 inches deep. The disparity in weight is also noteworthy; the Allpa 35L weighs a measly 1.5 pounds compared to the Travel Pack 2 Small that weighs double at 3.3 pounds.

-   **Dimensions**: The Allpa 35L is 20" tall, 30" wide, 51" deep while the Travel Pack 2 Small is 19" tall, 32" wide, 48" deep
-   **Weight**: The Allpa 35L weighs 1.5 pounds while the Travel Pack 2 Small weighs 3.3 pounds
-   **Capacity**: The Allpa 35L has a larger capacity of 35 liters compared to Travel Pack 2 Small which houses 28 liters
-   **Airlines compatibility**: The Allpa 35L is compatible with 80% of airlines while the Travel Pack 2 Small is compatible with 82% of airlines
-   **Material**: Both bags are made of 1680D ballistic nylon however, the Allpa 35L features paneling and the Travel Pack 2 Small features Cordura® ballistic nylon exterior
-   **Laptop compartment size**: Both the bags can entertain a 15" laptop

From the material perspective, both the Allpa 35L and Travel Pack 2 Small use 1680D ballistic nylon, but with the latter incorporating Cordura® to the exterior styling. Both the packs can house a 15-inch laptop conveniently. Where they diverge is in airline compatibility. While the Allpa 35L partners with 80% of airlines, the Travel Pack 2 Small boasts a slightly greater compatibly at 82%.

In a nutshell, both the Allpa 35L and the Travel Pack 2 Small make for worthy contenders in the carry-on backpack category each having their own merits. The Allpa 35L, though lighter, has a better storage capacity and smart design suitable for a range of travelers. On the flip side, the Aer Travel Pack 2 Small, albeit heavier, provides better protection for your gadgets, a functional organization panel, and a slightly more robust construction. So whether you value storage, weight, or functionality, your choice between the two will boil down to your specific travel needs and preferences.