---
url: "https://onebag.travel/compare/2b8htl0u8b/patagonia-black-hole-pack-25l/30jbhdt985/aer-capsule-pack-35l/"
title: "Patagonia Black Hole® Pack 25L vs Aer Capsule Pack (35L)"
description: "Patagonia Black Hole® Pack 25L vs Aer Capsule Pack (35L): capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/2b8htl0u8b/patagonia-black-hole-pack-25l/30jbhdt985/aer-capsule-pack-35l/"
---
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3.  Patagonia Black Hole® Pack 25L vs. Aer Capsule Pack (35L)

# Patagonia Black Hole® Pack 25L vs. Aer Capsule Pack (35L)

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

## [Patagonia Black Hole® Pack 25L](https://onebag.travel/carryon/2b8htl0u8b/patagonia-black-hole-pack-25l/)

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

![Front facing view of the Patagonia Black Hole® Pack 25L](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1632922359/carryons/Patagonia_Black_Hole_Pack_25L_nxbgmj.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>0.6 kg</td></tr><tr><td>Dimensions</td><td>48×28×15 cm</td></tr><tr><td>Airline fit</td><td>93%</td></tr><tr><td>Price</td><td>$149</td></tr></tbody></table>

## Feature by feature

| Patagonia Black Hole® Pack 25L | Feature | Aer Capsule Pack (35L) |
| --- | --- | --- |
| Storage |
| N | Compression | N |
| None | Expanded Capacity | None |
| 4 | Opening | 1 |
| top | Passport | Y |
| Y | Passthrough | Y |
| Carry |
| Y | Backpack | Y |
| N | Hip Belt | removable |
| Y | Sternum Strap | Y |
| Inside |
| 15in | Laptop | 15in |
| 3 | Main Compartments | 3 |
| N | Organizer | N |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | N |
| 2, side | Water Bottle Holder | 1 |
| Y | Water Resistant | Y |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>8.7-oz 300-denier 100% postconsumer recycled polyester ripstop with a TPU-film laminate</td><td>1680D Cordura® ballistic nylon exterior</td></tr></tbody></table>

## [Aer Capsule Pack (35L)](https://onebag.travel/carryon/30jbhdt985/aer-capsule-pack-35l/)

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

![Front facing view of the Aer Capsule Pack (35L)](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1618188017/carryons/Aer_Capsule_Pack_35L_ipb15b.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>1.86 kg</td></tr><tr><td>Dimensions</td><td>52×14×8.5 cm</td></tr><tr><td>Airline fit</td><td>89%</td></tr><tr><td>Price</td><td>$293</td></tr></tbody></table>

## Key differences between the Patagonia Black Hole® Pack 25L and Aer Capsule Pack (35L)

-   **Opening:** Top zip on the Patagonia Black Hole® Pack 25L; Clamshell on the Aer Capsule Pack (35L).
-   **Passport pocket:** Top on the Patagonia Black Hole® Pack 25L; Yes on the Aer Capsule Pack (35L).
-   **Hip belt:** No on the Patagonia Black Hole® Pack 25L; Removable on the Aer Capsule Pack (35L).
-   **Water bottle pockets:** 2, side on the Patagonia Black Hole® Pack 25L; 1 on the Aer Capsule Pack (35L).

Both have: luggage passthrough, backpack straps, sternum strap, laptop sleeve, water resistant.

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

We checked both bags against the carry-on size limits of 189 airlines. 168 accept both. 8 accept only the Patagonia Black Hole® Pack 25L, and 0 accept only the Aer Capsule Pack (35L).

### Only the Patagonia Black Hole® Pack 25L fits

Air Niugini, Belavia, Etihad Airways, Oman Air, Qatar Airways, Regional Express, Royal Jordanian, Virgin Australia.

## Patagonia Black Hole® Pack 25L vs. Aer Capsule Pack (35L): which should you pack?

The **Aer Capsule Pack (35L)** carries 10L more than the **Patagonia Black Hole® Pack 25L** (25L vs. 35L), while the **Patagonia Black Hole® Pack 25L** is the lighter pack at 0.6kg (vs. 1.86kg). For carry-on flexibility, the **Patagonia Black Hole® Pack 25L** fits 93% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Aer Capsule Pack (35L); if you want to travel lighter, the Patagonia Black Hole® Pack 25L is the better call.