---
url: "https://onebag.travel/compare/mcN0aY6G/cotopaxi-allpa-35l/q-vej-ys/osprey-quasar-28l/"
title: "Cotopaxi Allpa 35L versus Osprey Quasar 28L - One Bag Travel"
description: "Comparison of the Cotopaxi Allpa 35L and Osprey Quasar 28L carry-on travel backpacks."
source: "https://onebag.travel/compare/mcN0aY6G/cotopaxi-allpa-35l/q-vej-ys/osprey-quasar-28l/"
---
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2.  [Carry-On Travel Backpacks](https://onebag.travel/carryons/)
3.  Cotopaxi Allpa 35L vs. Osprey Quasar 28L

# Cotopaxi Allpa 35L vs. Osprey Quasar 28L

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 Quasar 28L |
| --- | --- | --- |
| Storage |
| N | Compression | Y |
| None | Expanded Capacity | None |
| 1 | Opening | 0 |
| front | Passport | N |
| Y | Passthrough | N |
| Carry |
| hideable | Backpack | Y |
| hideable | Hip Belt | Y |
| Y | Sternum Strap | Y |
| Inside |
| 15in | Laptop | 15in |
| 3 | Main Compartments | 2 |
| Y | Organizer | N |
| 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>210/420/630D Nylon Dobby Blend</td></tr></tbody></table>

## [Osprey Quasar 28L](https://onebag.travel/carryon/q-vej-ys/osprey-quasar-28l/)

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

![Front facing view of the Osprey Quasar 28L](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/carryons/mpiab2le56iu2lg5ck9g)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>28 L</td></tr><tr><td>Weight</td><td>0.8 kg</td></tr><tr><td>Dimensions</td><td>34×28×6 cm</td></tr><tr><td>Airline fit</td><td>99%</td></tr><tr><td>Price</td><td>$149</td></tr></tbody></table>

When sizing up the Cotopaxi Allpa 35L and the Osprey Quasar 28L backpacks, it's clear they both bring a lot to the table, particularly in matters of design, convenience, and durability. The Cotopaxi Allpa bag has a solid construction, with its 1680D ballistic nylon paneling, giving assurance against wear and tear. Space is another clear advantage with an impressive 35 liters of capacity perfect for the weight-conscious traveler. Suitable for 80% of airlines, it's a safe bet for those who find themselves frequently airborne. Add to that, it's got comfortable shoulder straps, a hip belt, and adjustable sternum straps making it easy to bear.

As for the Osprey Quasar 28L, it's a nimble bag with a fairly compact profile. The 28L capacity may not rival its Cotopaxi counterpart, but it certainly doesn’t compromise on functionality. It has an air of lightness, weighing in at just 0.8 pounds. Made from a unique blend of 210/420/630D Nylon Dobby, it reflects a thoughtful balance of strength and flexibility. Perhaps the real game-changer is its airline compatibility. This backpack covers them all, banishing travel anxiety for good.

Here are the differences at a glance:

-   Cotopaxi Allpa 35L: 20 x 30 x 51 inches, weighs 1.5 pounds, 35 liters of capacity, 80% airline compatible, 1680D ballistic nylon paneling, fits a 15-inch laptop and includes a rain cover, collapsible mesh laundry bag, and nylon shoe bag.
-   Osprey Quasar 28L: 28 x 34 x 6 inches, weighs 0.8 pounds, 28 liters of capacity, 100% airline compatible, 210/420/630D Nylon Dobby blend material, fits a 15-inch laptop, offers good organization with numerous pockets, comfortable padding on straps, uses quality materials.

Buyers have found numerous reasons to love these bags. Reviewers familiarized with the Cotopaxi Allpa 35L express a fondness for its simple, comfortable, intuitive design, which makes it an attractive pick. Not one to be outdone, the Osprey Quasar 28L thrives on rave reviews that flag its superb functionality as a commuter backpack.

Choosing between these two is less about finding the “better” backpack, and more about identifying what suits you, the traveler. Whether it’s the generously spaced Cotopaxi Allpa 35L, or the feather-light and airport-friendly Osprey Quasar 28L, it's going to be a promising carry-on experience.