---
url: "https://onebag.travel/compare/mcN0aY6G/cotopaxi-allpa-35l/8u5ft8xqc4/osprey-transporter-zip-top-pack/"
title: "Cotopaxi Allpa 35L versus Osprey Transporter® Zip Top Pack - One Bag Travel"
description: "Comparison of the Cotopaxi Allpa 35L and Osprey Transporter® Zip Top Pack carry-on travel backpacks."
source: "https://onebag.travel/compare/mcN0aY6G/cotopaxi-allpa-35l/8u5ft8xqc4/osprey-transporter-zip-top-pack/"
---
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2.  [Carry-On Travel Backpacks](https://onebag.travel/carryons/)
3.  Cotopaxi Allpa 35L vs. Osprey Transporter® Zip Top Pack

# Cotopaxi Allpa 35L vs. Osprey Transporter® Zip Top Pack

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 Transporter® Zip Top Pack |
| --- | --- | --- |
| Storage |
| N | Compression | N |
| 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 | 15in |
| 3 | Main Compartments | 1 |
| Y | Organizer | Y |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | N |
| 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>400D Nylon TPU Double Coated</td></tr></tbody></table>

## [Osprey Transporter® Zip Top Pack](https://onebag.travel/carryon/8u5ft8xqc4/osprey-transporter-zip-top-pack/)

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

![Front facing view of the Osprey Transporter® Zip Top Pack](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1631674746/carryons/Osprey_Transporter_Zip_Top_Pack_wt5uxw.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>30 L</td></tr><tr><td>Weight</td><td>1 kg</td></tr><tr><td>Dimensions</td><td>52×36×29 cm</td></tr><tr><td>Airline fit</td><td>2%</td></tr><tr><td>Price</td><td>$130</td></tr></tbody></table>

The Cotopaxi Allpa 35L and the Osprey Transporter® Zip Top Pack are two leading carry-on backpacks, both widely acknowledged for their quality and functionality. The Cotopaxi Allpa 35L, true to its name, comprises a capacity of 35 liters and weighs 1.5 pounds. It fits the majority of airlines' overhead compartments as it's sized at 20x30x51 inches. Made of resilient 1680D ballistic nylon paneling, it includes a laptop compartment sizable enough for a 15-inch device. It comes highly recommended by reviewers for its optimal internal organization and added extras.

Contrastingly, we have the Osprey Transporter® Zip Top Pack, slightly larger in size, measuring 29x36x52 inches, but lighter in weight at exactly 1 pound. The Pack’s capacity, however, runs slightly smaller than the Allpa, at 30 liters. Made out of 400D Nylon TPU Double Coated material, the backpack offers durable and water-resistant quality. Compatible with slightly more airlines (88%) compared to the Allpa (80%), the Osprey too accommodates a 15-inch laptop in its unique compartment, ticking all boxes for everyday convenience and functionality.

Following are the summarized differences:

-   Sizing: Cotopaxi Allpa 35L (20x30x51 inches) vs. Osprey Transporter® Zip Top Pack (29x36x52 inches)
-   Weight: Cotopaxi Allpa 35L (1.5 pounds) vs. Osprey Transporter® Zip Top Pack (1 pound)
-   Capacity: Cotopaxi Allpa 35L (35 liters) vs. Osprey Transporter® Zip Top Pack (30 liters)
-   Compatibility with airlines: Cotopaxi Allpa 35L (80%) vs. Osprey Transporter® Zip Top Pack (88%)
-   Material: Cotopaxi Allpa 35L (1680D ballistic nylon paneling) vs. Osprey Transporter® Zip Top Pack (400D Nylon TPU Double Coated)

As evidenced by reviews, both backpacks come highly recommended for different reasons. The Cotopaxi Allpa 35L’s internal organization is frequently praised, dipping into features such as a collapsible mesh laundry bag, nylon shoe bag, and a mesh water bottle sleeve for added convenience. On the flip side, the Osprey Transporter® Zip Top Pack does not disappoint in the quality department, with its durable construction, comfortable use over extended periods, as well as great internal organization. The comparison boils down to personal preference, both backpacks being worthy contenders in the carry-on backpack segment.