---
url: "https://onebag.travel/compare/10tqh8wtds/gossamer-gear-mariposa/20su8gi2ui/patagonia-ascensionist-pack-35l/"
title: "Gossamer Gear Mariposa vs Patagonia Ascensionist Pack 35L"
description: "Gossamer Gear Mariposa vs Patagonia Ascensionist Pack 35L: 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/20su8gi2ui/patagonia-ascensionist-pack-35l/"
---
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3.  Gossamer Gear Mariposa vs. Patagonia Ascensionist Pack 35L

# Gossamer Gear Mariposa vs. Patagonia Ascensionist Pack 35L

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 | Patagonia Ascensionist Pack 35L |
| --- | --- | --- |
| Storage |
| 2 | Compression | removable |
| None | Expanded Capacity | None |
| 0 | Opening | 0 |
| N | Passport | N |
| N | Passthrough | N |
| Carry |
| Y | Backpack | Y |
| removable | Hip Belt | Y |
| removable | Sternum Strap | removable |
| Inside |
| N | Laptop | N |
| 1 | Main Compartments | 1 |
| N | Organizer | N |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | N |
| 2, side | Water Bottle Holder | N |
| 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>420-denier 100% recycled nylon ripstop, 70-denier 100% nylon ripstop</td></tr></tbody></table>

## [Patagonia Ascensionist Pack 35L](https://onebag.travel/carryon/20su8gi2ui/patagonia-ascensionist-pack-35l/)

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

![Front facing view of the Patagonia Ascensionist Pack 35L](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1633485761/carryons/Ascensionist_Alpine_Pack_35_r24jyt.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>35 L</td></tr><tr><td>Weight</td><td>0.89 kg</td></tr><tr><td>Dimensions</td><td>65×31×14 cm</td></tr><tr><td>Airline fit</td><td>13%</td></tr><tr><td>Price</td><td>$179</td></tr></tbody></table>

## Key differences between the Gossamer Gear Mariposa and Patagonia Ascensionist Pack 35L

-   **Compression straps:** 2 on the Gossamer Gear Mariposa; Removable on the Patagonia Ascensionist Pack 35L.
-   **Hip belt:** Removable on the Gossamer Gear Mariposa; Yes on the Patagonia Ascensionist Pack 35L.
-   **Water bottle pockets:** 2, side on the Gossamer Gear Mariposa; No on the Patagonia Ascensionist Pack 35L.

Both have: backpack straps, sternum strap, water resistant.

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

We checked both bags against the carry-on size limits of 189 airlines. 25 accept both. 64 accept only the Gossamer Gear Mariposa, and 0 accept only the Patagonia Ascensionist Pack 35L.

### Only the Gossamer Gear Mariposa fits

Aegean Airlines, Air Asia, Air Astana, Air Macau, Air Nostrum, Air Wisconsin, AirAsiaX, Alaska Airlines, Allegiant Air, American Airlines, Atlas Global, Avianca , Bahamasair, Bangkok Airways, Biman Bangladesh, British Airways, Cambodia Angkor Air, Cathay Pacific, Cayman Airways, Cebu Pacific, China Airlines, CommutAir, Conviasa, Copa Airlines, Delta Airlines, Dragonair, EL AL, EVA Air, Finnair, Frontier Airlines, Garuda Indonesia, Great Lakes Airlines, Hawaiian Airlines, Hong Kong Airlines, Iran Aseman Air, Island Air, Jet2, jetBlue Airways, Jetstar Airways, Jetstar Asia, Kulula, Kuwait Air, Malaysia Airlines, Mango, Middle East Airlines, Monarch Airlines, Onur Air, PenAir, Qantas Airways, Republic Airways, Skywest, Inc., South African Airways, Southwest Airlines, Spirit Airlines, SriLankan Airlines, Sun Country, Thai Airways, Trans States, Travel Service Airlines, United Airlines, Uzbekistan Air, Vietnam Airlines, Virgin Atlantic, WOW Airlines.

## Gossamer Gear Mariposa vs. Patagonia Ascensionist Pack 35L: which should you pack?

The **Gossamer Gear Mariposa** carries 1L more than the **Patagonia Ascensionist Pack 35L** (36L vs. 35L), while the **Patagonia Ascensionist Pack 35L** is the lighter pack at 0.89kg (vs. 0.9kg). 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 Patagonia Ascensionist Pack 35L is the better call.