---
url: "https://onebag.travel/compare/10tqh8wtds/gossamer-gear-mariposa/gw4s7lwa2w/ortlieb-atrack-cr/"
title: "Gossamer Gear Mariposa vs Ortlieb Atrack CR - One Bag Travel"
description: "Gossamer Gear Mariposa vs Ortlieb Atrack CR: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/10tqh8wtds/gossamer-gear-mariposa/gw4s7lwa2w/ortlieb-atrack-cr/"
---
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2.  [Carry-On Travel Backpacks](https://onebag.travel/carryons/)
3.  Gossamer Gear Mariposa vs. Ortlieb Atrack CR

# Gossamer Gear Mariposa vs. Ortlieb Atrack CR

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

## [Gossamer Gear Mariposa](https://onebag.travel/carryon/10tqh8wtds/gossamer-gear-mariposa/)

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

![Front facing view of the Gossamer Gear Mariposa](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990365/carryons/gossamer-gear-mariposa-10tqh8wtds.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>36 L</td></tr><tr><td>Weight</td><td>0.9 kg</td></tr><tr><td>Dimensions</td><td>56×28×14 cm</td></tr><tr><td>Airline fit</td><td>47%</td></tr><tr><td>Price</td><td>$315</td></tr></tbody></table>

## Feature by feature

| Gossamer Gear Mariposa | Feature | Ortlieb Atrack CR |
| --- | --- | --- |
| Storage |
| 2 | Compression | N |
| None | Expanded Capacity | None |
| 0 | Opening | 0 |
| N | Passport | N |
| N | Passthrough | N |
| Carry |
| Y | Backpack | Y |
| removable | Hip Belt | removable |
| removable | Sternum Strap | Y |
| Inside |
| N | Laptop | N |
| 1 | Main Compartments | 1 |
| N | Organizer | N |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | N |
| 2, side | Water Bottle Holder | 2 |
| Y | Water Resistant | Y |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>100D &amp; 210D Recycled Robic Nylon</td><td>PS33</td></tr></tbody></table>

## [Ortlieb Atrack CR](https://onebag.travel/carryon/gw4s7lwa2w/ortlieb-atrack-cr/)

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

![Front facing view of the Ortlieb Atrack CR](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1630938190/carryons/Atrack_CR_h9zjhe.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>25 L</td></tr><tr><td>Weight</td><td>1.22 kg</td></tr><tr><td>Dimensions</td><td>56×26×25 cm</td></tr><tr><td>Airline fit</td><td>27%</td></tr><tr><td>Price</td><td>$265</td></tr></tbody></table>

## Key differences between the Gossamer Gear Mariposa and Ortlieb Atrack CR

-   **Compression straps:** 2 on the Gossamer Gear Mariposa; No on the Ortlieb Atrack CR.
-   **Sternum strap:** Removable on the Gossamer Gear Mariposa; Yes on the Ortlieb Atrack CR.
-   **Water bottle pockets:** 2, side on the Gossamer Gear Mariposa; 2 on the Ortlieb Atrack CR.

Both have: backpack straps, hip belt, water resistant.

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

We checked both bags against the carry-on size limits of 189 airlines. 51 accept both. 38 accept only the Gossamer Gear Mariposa, and 0 accept only the Ortlieb Atrack CR.

### Only the Gossamer Gear Mariposa fits

Air Asia, Air Macau, Air Wisconsin, AirAsiaX, Alaska Airlines, Allegiant Air, American Airlines, Avianca , Bahamasair, Bangkok Airways, Biman Bangladesh, Cambodia Angkor Air, Cathay Pacific, Cayman Airways, Cebu Pacific, China Airlines, CommutAir, Delta Airlines, Dragonair, EVA Air, Garuda Indonesia, Hawaiian Airlines, Hong Kong Airlines, jetBlue Airways, Jetstar Airways, Jetstar Asia, Kulula, Malaysia Airlines, Mango, Qantas Airways, Republic Airways, Skywest, Inc., South African Airways, SriLankan Airlines, Trans States, United Airlines, Vietnam Airlines, Virgin Atlantic.

## Gossamer Gear Mariposa vs. Ortlieb Atrack CR: which should you pack?

The **Gossamer Gear Mariposa** carries 11L more than the **Ortlieb Atrack CR** (36L vs. 25L), while the **Gossamer Gear Mariposa** is the lighter pack at 0.9kg (vs. 1.22kg). For carry-on flexibility, the **Gossamer Gear Mariposa** fits 47% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Gossamer Gear Mariposa; if you want to travel lighter, the Gossamer Gear Mariposa is the better call.