---
url: "https://onebag.travel/compare/ftw13cg3ht/osprey-quasar-26/n8ttb1wbeu/cotopaxi-allpa-travel-pack-42l/"
title: "Osprey Quasar 26 vs Cotopaxi Allpa Travel Pack 42L"
description: "Osprey Quasar 26 vs Cotopaxi Allpa Travel Pack 42L: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/ftw13cg3ht/osprey-quasar-26/n8ttb1wbeu/cotopaxi-allpa-travel-pack-42l/"
---
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2.  [Carry-On Travel Backpacks](https://onebag.travel/carryons/)
3.  Osprey Quasar 26 vs. Cotopaxi Allpa Travel Pack 42L

# Osprey Quasar 26 vs. Cotopaxi Allpa Travel Pack 42L

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

## [Osprey Quasar 26](https://onebag.travel/carryon/ftw13cg3ht/osprey-quasar-26/)

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

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>36 L</td></tr><tr><td>Weight</td><td>1.3 kg</td></tr><tr><td>Dimensions</td><td>50×35×27 cm</td></tr><tr><td>Airline fit</td><td>14%</td></tr><tr><td>Price</td><td>$200</td></tr></tbody></table>

## Feature by feature

| Osprey Quasar 26 | Feature | Cotopaxi Allpa Travel Pack 42L |
| --- | --- | --- |
| Storage |
| N | 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>450D recycled polyester TPU coated</td><td>100% recycled 840D TPU-coated nylon</td></tr></tbody></table>

## [Cotopaxi Allpa Travel Pack 42L](https://onebag.travel/carryon/n8ttb1wbeu/cotopaxi-allpa-travel-pack-42l/)

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

![Front facing view of the Cotopaxi Allpa Travel Pack 42L](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1621552508/carryons/Cotopaxi_Allpa_Travel_Pack_42L_e0l0ab.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>42 L</td></tr><tr><td>Weight</td><td>1.4 kg</td></tr><tr><td>Dimensions</td><td>56×36×27 cm</td></tr><tr><td>Airline fit</td><td>2%</td></tr><tr><td>Price</td><td>$250</td></tr></tbody></table>

## Key differences between the Osprey Quasar 26 and Cotopaxi Allpa Travel Pack 42L

-   **Passport pocket:** Top on the Osprey Quasar 26; Front on the Cotopaxi Allpa Travel Pack 42L.
-   **Laptop sleeve:** 16in on the Osprey Quasar 26; 15in on the Cotopaxi Allpa Travel Pack 42L.
-   **Main compartments:** 4 on the Osprey Quasar 26; 3 on the Cotopaxi Allpa Travel Pack 42L.
-   **Water bottle pockets:** No on the Osprey Quasar 26; 1, side on the Cotopaxi Allpa Travel Pack 42L.

Both have: luggage passthrough, backpack straps, hip belt, sternum strap, built-in organizer, water resistant.

## Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 4 accept both. 23 accept only the Osprey Quasar 26, and 0 accept only the Cotopaxi Allpa Travel Pack 42L.

### Only the Osprey Quasar 26 fits

Adria Airways, Air Europa, Air Koryo, Air New Zealand, Air Tahiti Nui, Azul Linhas, Caribbean Airlines, China Southern, Croatia Air, Cubana de Aviacion, Hainan Airlines, Korean Air, Philippine Airlines, Royal Air Morocco, Saudi Arabian Airlines, Sichuan Airlines, SilkAir, Silver Airways, Singapore Airlines, SpiceJet, TAAG Angola, TAM Airlines, Ural Airlines.

## Osprey Quasar 26 vs. Cotopaxi Allpa Travel Pack 42L: which should you pack?

The **Cotopaxi Allpa Travel Pack 42L** carries 6L more than the **Osprey Quasar 26** (36L vs. 42L), while the **Osprey Quasar 26** is the lighter pack at 1.3kg (vs. 1.4kg). For carry-on flexibility, the **Osprey Quasar 26** fits 14% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Cotopaxi Allpa Travel Pack 42L; if you want to travel lighter, the Osprey Quasar 26 is the better call.