---
url: "https://onebag.travel/compare/20su8gi2ui/patagonia-ascensionist-pack-35l/xpbcc6k4c7/hyperlite-mountain-gear-southwest/"
title: "Patagonia Ascensionist Pack 35L vs Hyperlite Mountain Gear Southwest"
description: "Patagonia Ascensionist Pack 35L vs Hyperlite Mountain Gear Southwest: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by…"
source: "https://onebag.travel/compare/20su8gi2ui/patagonia-ascensionist-pack-35l/xpbcc6k4c7/hyperlite-mountain-gear-southwest/"
---
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3.  Patagonia Ascensionist Pack 35L vs. Hyperlite Mountain Gear Southwest

# Patagonia Ascensionist Pack 35L vs. Hyperlite Mountain Gear Southwest

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

## [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>

## Feature by feature

| Patagonia Ascensionist Pack 35L | Feature | Hyperlite Mountain Gear Southwest |
| --- | --- | --- |
| Storage |
| removable | Compression | 5 |
| None | Expanded Capacity | None |
| 0 | Opening | 2 |
| N | Passport |  |
| N | Passthrough | N |
| Carry |
| Y | Backpack | Y |
| Y | 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 |
| N | Water Bottle Holder | 2, side |
| Y | Water Resistant | Y |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>420-denier 100% recycled nylon ripstop, 70-denier 100% nylon ripstop</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 Patagonia Ascensionist Pack 35L and Hyperlite Mountain Gear Southwest

-   **Compression straps:** Removable on the Patagonia Ascensionist Pack 35L; 5 on the Hyperlite Mountain Gear Southwest.
-   **Opening:** Other on the Patagonia Ascensionist Pack 35L; Rolltop on the Hyperlite Mountain Gear Southwest.
-   **Water bottle pockets:** No on the Patagonia Ascensionist Pack 35L; 2, side on the Hyperlite Mountain Gear Southwest.

Both have: backpack straps, hip belt, 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. 23 accept both. 2 accept only the Patagonia Ascensionist Pack 35L, and 0 accept only the Hyperlite Mountain Gear Southwest.

### Only the Patagonia Ascensionist Pack 35L fits

Caribbean Airlines, Croatia Air.

## Patagonia Ascensionist Pack 35L vs. Hyperlite Mountain Gear Southwest: which should you pack?

The **Hyperlite Mountain Gear Southwest** carries 5L more than the **Patagonia Ascensionist Pack 35L** (35L vs. 40L), while the **Hyperlite Mountain Gear Southwest** is the lighter pack at 0.8kg (vs. 0.89kg). For carry-on flexibility, the **Patagonia Ascensionist Pack 35L** fits 13% 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.