---
url: "https://onebag.travel/compare/10tqh8wtds/gossamer-gear-mariposa/xpbcc6k4c7/hyperlite-mountain-gear-southwest/"
title: "Gossamer Gear Mariposa vs Hyperlite Mountain Gear Southwest"
description: "Gossamer Gear Mariposa vs Hyperlite Mountain Gear Southwest: 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/xpbcc6k4c7/hyperlite-mountain-gear-southwest/"
---
1.  [Home](https://onebag.travel/)
2.  [Carry-On Travel Backpacks](https://onebag.travel/carryons/)
3.  Gossamer Gear Mariposa vs. Hyperlite Mountain Gear Southwest

# Gossamer Gear Mariposa vs. Hyperlite Mountain Gear Southwest

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 | Hyperlite Mountain Gear Southwest |
| --- | --- | --- |
| Storage |
| 2 | Compression | 5 |
| None | Expanded Capacity | None |
| 0 | Opening | 2 |
| N | Passport |  |
| 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 | 2, side |
| 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>Dyneema® 200-denier</td></tr></tbody></table>

## [Hyperlite Mountain Gear Southwest](https://onebag.travel/carryon/xpbcc6k4c7/hyperlite-mountain-gear-southwest/)

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

![Front facing view of the Hyperlite Mountain Gear Southwest](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990483/carryons/hyperlite-mountain-gear-southwest-xpbcc6k4c7.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>40 L</td></tr><tr><td>Weight</td><td>0.8 kg</td></tr><tr><td>Dimensions</td><td>70×28×17 cm</td></tr><tr><td>Airline fit</td><td>12%</td></tr><tr><td>Price</td><td>$380</td></tr></tbody></table>

## Key differences between the Gossamer Gear Mariposa and Hyperlite Mountain Gear Southwest

-   **Compression straps:** 2 on the Gossamer Gear Mariposa; 5 on the Hyperlite Mountain Gear Southwest.
-   **Opening:** Other on the Gossamer Gear Mariposa; Rolltop on the Hyperlite Mountain Gear Southwest.
-   **Hip belt:** Removable on the Gossamer Gear Mariposa; Yes on the Hyperlite Mountain Gear Southwest.

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

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

We checked both bags against the carry-on size limits of 189 airlines. 23 accept both. 66 accept only the Gossamer Gear Mariposa, and 0 accept only the Hyperlite Mountain Gear Southwest.

### 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, Caribbean Airlines, Cathay Pacific, Cayman Airways, Cebu Pacific, China Airlines, CommutAir, Conviasa, Copa Airlines, Croatia Air, 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. Hyperlite Mountain Gear Southwest: which should you pack?

The **Hyperlite Mountain Gear Southwest** carries 4L more than the **Gossamer Gear Mariposa** (36L vs. 40L), while the **Hyperlite Mountain Gear Southwest** is the lighter pack at 0.8kg (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 Hyperlite Mountain Gear Southwest; if you want to travel lighter, the Hyperlite Mountain Gear Southwest is the better call.