---
url: "https://onebag.travel/compare/02bc32de-b553-463a-a455-177400d5423d/osprey-porter-46/mcN0aY6G/cotopaxi-allpa-35l/"
title: "Osprey Porter 46 versus Cotopaxi Allpa 35L - One Bag Travel"
description: "Comparison of the Osprey Porter 46 and Cotopaxi Allpa 35L carry-on travel backpacks."
source: "https://onebag.travel/compare/02bc32de-b553-463a-a455-177400d5423d/osprey-porter-46/mcN0aY6G/cotopaxi-allpa-35l/"
---
1.  [Home](https://onebag.travel/)
2.  [Carry-On Travel Backpacks](https://onebag.travel/carryons/)
3.  Osprey Porter 46 vs. Cotopaxi Allpa 35L

# Osprey Porter 46 vs. Cotopaxi Allpa 35L

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

## [Osprey Porter 46](https://onebag.travel/carryon/02bc32de-b553-463a-a455-177400d5423d/osprey-porter-46/)

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

![Front facing view of the Osprey Porter 46](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/carryons/bus8myci54gl3byfegrn)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>46 L</td></tr><tr><td>Weight</td><td>1.5 kg</td></tr><tr><td>Dimensions</td><td>55×36×23 cm</td></tr><tr><td>Airline fit</td><td>61%</td></tr><tr><td>Price</td><td>$185</td></tr></tbody></table>

## Feature by feature

| Osprey Porter 46 | Feature | Cotopaxi Allpa 35L |
| --- | --- | --- |
| Storage |
| 2 | Compression | N |
| None | Expanded Capacity | None |
| 1 | Opening | 1 |
| top | Passport | front |
| Y | Passthrough | Y |
| Carry |
| hideable | Backpack | hideable |
| hideable | Hip Belt | hideable |
| Y | Sternum Strap | Y |
| Inside |
| 16in | Laptop | 15in |
| 4 | Main Compartments | 3 |
| Y | Organizer | Y |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | N |
| N | Water Bottle Holder | 1, side |
| Y | Water Resistant | Y |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>bluesign®-approved Recycled 500D Nylon Packcloth PFC Free DWR</td><td>100% recycled 840D TPU-coated nylon</td></tr></tbody></table>

## [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>

The Osprey Porter 46 and Cotopaxi Allpa 35L are both favored among seasoned travelers, yet they have notable differences. The Porter 46, as the name suggests, provides an expansive 46-liter capacity, which is ideal for those longer trips or for those who simply struggle to travel light. Consequently, this larger size does limit its compatibility with airlines, making it suitable for 47% as against the Allpa 35L's compatibility with 80% airlines. Both packs are alike in their lightweight build as they sit at 1.5 pounds each. However, the Porter 46 offers a slightly larger laptop pouch catering to a 17 inch laptop as opposed to the Allpa's 15 inch capacity.

-   Size: The Porter 46 is larger, providing 46 liters of capacity versus the Allpa 35L's 35 liters.
-   Compatibility: The Allpa 35L is compatible with a larger number of airlines (80%) compared to the Porter 46 (47%).
-   Material: The Porter 46 is made of nylon, while the Allpa 35L boasts more robust 1680D ballistic nylon paneling.
-   Laptop compartment: Porter 46 can house up a 17 inch laptop, while Allpa 35L can accommodate up to a 15 inch laptop.

The built quality of these two backpacks also differs. The Porter 46 is fashioned from Nylon, making it resilient for the road. On the flip side, the Allpa 35L takes durability up a notch with its 1680D ballistic nylon paneling which is known for its resistance to tears and scuffs. Opinions from users further illustrate the unique selling points. For the Porter 46, owners appreciate the spaciousness, great suspension, and the handy compression strap. The praise for the Allpa 35L attributes its appeal to the additional rain cover for added protection, comfort of its straps, and the inclusion of organizers such as a laundry bag and shoe bag.

Both packs offer different strengths according to your trip needs. For the heavy packers, the Porter 46 will serve well with its larger capacity and great suspension. For those frequent flyers hopping from one airline to another, the carry-on compliance of the Allpa 35L is a boon. Plus, if you value packing organizers or extra protection against elements, the Allpa 35L offers those, too. It's always best to review each feature and align it with your travel habits before making an investment to your gear.