---
url: "https://onebag.travel/compare/mcN0aY6G/cotopaxi-allpa-35l/esrcmzvrry/patagonia-black-hole-mlc-45l/"
title: "Cotopaxi Allpa 35L versus Patagonia Black Hole® MLC® 45L - One Bag Travel"
description: "Comparison of the Cotopaxi Allpa 35L and Patagonia Black Hole® MLC® 45L carry-on travel backpacks."
source: "https://onebag.travel/compare/mcN0aY6G/cotopaxi-allpa-35l/esrcmzvrry/patagonia-black-hole-mlc-45l/"
---
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2.  [Carry-On Travel Backpacks](https://onebag.travel/carryons/)
3.  Cotopaxi Allpa 35L vs. Patagonia Black Hole® MLC® 45L

# Cotopaxi Allpa 35L vs. Patagonia Black Hole® MLC® 45L

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 Black Hole® MLC® 45L |
| --- | --- | --- |
| Storage |
| N | Compression | N |
| None | Expanded Capacity | None |
| 1 | Opening | 1 |
| front | Passport | top |
| Y | Passthrough | Y |
| Carry |
| hideable | Backpack | Y |
| hideable | Hip Belt | N |
| Y | Sternum Strap | Y |
| Inside |
| 15in | Laptop | 15in |
| 3 | Main Compartments | 5 |
| Y | Organizer | N |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | N |
| 1, side | Water Bottle Holder | 2, 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>14.1-oz 900-denier 100% postconsumer recycled polyester ripstop with a postindustrial recycled TPU-film laminate</td></tr></tbody></table>

## [Patagonia Black Hole® MLC® 45L](https://onebag.travel/carryon/esrcmzvrry/patagonia-black-hole-mlc-45l/)

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

![Front facing view of the Patagonia Black Hole® MLC® 45L](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1632883589/carryons/Patagonia_Black_Hole_MLC_45L_ta74b3.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>45 L</td></tr><tr><td>Weight</td><td>1.7 kg</td></tr><tr><td>Dimensions</td><td>56×37×19 cm</td></tr><tr><td>Airline fit</td><td>26%</td></tr><tr><td>Price</td><td>$240</td></tr></tbody></table>

The Cotopaxi Allpa 35L and the Patagonia Black Hole® MLC® 45L both stand as the epitome of savvy carry-on backpacks. Each one is built to facilitate the needs of modern travelers, each with its distinct features and advantages. The Allpa 35L lives up to its name with a capacity of 35 liters. It's made of 1680D ballistic nylon paneling - a material known for its resistance to wear and tear. With a laptop compartment able to fit a 15-inch laptop and a weight of 1.5 pounds, it's designed for your comfort and convenience. Perfect for an adventurer on a longer trip, the Cotopaxi is also compatible with 80% of airlines, very handy no matter where your journey takes you.

The Patagonia Black Hole® MLC® 45L, on the other hand, provides a bit more storage with its 45-liter capacity. It's slightly heavier than the Allpa, weighing in at 1.7 pounds, and taller by about 17 inches. Made of 900-denier 100% postconsumer recycled polyester ripstop and 200-denier 100% recycled polyester, the Black Hole MLC is committed to environmental sustainability. Even more impressive, this Patagonia piece is compatible with 91% of airlines, giving you even more flexibility on your travels. The additional capacity and compatibility make the Patagonia a noteworthy choice.

Here's a bullet list that summarizes their main differences:

-   Cotopaxi Allpa 35L offers 35 liters of storage, while Patagonia Black Hole® MLC® 45L gives you 45 liters.
-   Cotopaxi Allpa 35L weighs 1.5 pounds, while Patagonia Black Hole® MLC® 45L weighs 1.7 pounds.
-   Cotopaxi Allpa 35L is taller by 20 inches while Patagonia Black Hole® MLC® 45L tops out at 37 inches.
-   Cotopaxi Allpa 35L is made of 1680D ballistic nylon, while Patagonia Black Hole® MLC® 45L uses 900-denier 100% postconsumer recycled polyester ripstop and 200-denier 100% recycled polyester.
-   Cotopaxi Allpa 35L is compatible with 80% of airlines, while Patagonia Black Hole® MLC® 45L is compatible with 91% of airlines.

As for user experience, several testimonials highlight the effectiveness of these bags. One reviewer endorsed the Allpa 35L as a "perfect graduation gift for the budding world traveler." With its internal organization and impressive durability, it's easy to see why. On the other hand, Patagonia Black Hole® MLC® 45L's reviewer praises the "convertible nature", noting the pack's adaptability for travel or camping. Both of these packs can make a compelling case for themselves. All in all, the choice between the Cotopaxi Allpa 35L and Patagonia Black Hole® MLC® 45L comes down to your personal preference and needs. Whichever choice you make, you're investing in a sturdy, reliable travel-companion designed to go the distance with you.