---
url: "https://onebag.travel/compare/ait0dfd8mm/patagonia-black-hole-mlc-wheeled-duffel-34l/asynuuvno8/the-brown-buffalo-conceal-pack-21l/"
title: "Patagonia Black Hole MLC Wheeled Duffel 34L vs The Brown Buffalo Conceal Pack 21L"
description: "Patagonia Black Hole MLC Wheeled Duffel 34L vs The Brown Buffalo Conceal Pack 21L: capacity, weight, dimensions and how many airlines accept each as a…"
source: "https://onebag.travel/compare/ait0dfd8mm/patagonia-black-hole-mlc-wheeled-duffel-34l/asynuuvno8/the-brown-buffalo-conceal-pack-21l/"
---
1.  [Home](https://onebag.travel/)
2.  [Carry-On Travel Backpacks](https://onebag.travel/carryons/)
3.  Patagonia Black Hole MLC Wheeled Duffel 34L vs. The Brown Buffalo Conceal Pack 21L

# Patagonia Black Hole MLC Wheeled Duffel 34L vs. The Brown Buffalo Conceal Pack 21L

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

## [Patagonia Black Hole MLC Wheeled Duffel 34L](https://onebag.travel/carryon/ait0dfd8mm/patagonia-black-hole-mlc-wheeled-duffel-34l/)

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

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>34 L</td></tr><tr><td>Weight</td><td>2.9 kg</td></tr><tr><td>Dimensions</td><td>52×33×20 cm</td></tr><tr><td>Airline fit</td><td>88%</td></tr><tr><td>Price</td><td>$360</td></tr></tbody></table>

## Feature by feature

| Patagonia Black Hole MLC Wheeled Duffel 34L | Feature | The Brown Buffalo Conceal Pack 21L |
| --- | --- | --- |
| Storage |
| N | Compression | N |
| None | Expanded Capacity | None |
| 1 | Opening | 1 |
| front | Passport | front |
| N | Passthrough | Y |
| Carry |
| hideable | Backpack | Y |
| N | Hip Belt | N |
| removable | Sternum Strap | removable |
| Inside |
| N | Laptop | 15in |
| 2 | Main Compartments | 2 |
| N | Organizer | N |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | N |
| N | Water Bottle Holder | N |
| 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 postindustrial recycled TPU-film laminate</td><td>Challenge® Sailcloth EPX400</td></tr></tbody></table>

## [The Brown Buffalo Conceal Pack 21L](https://onebag.travel/carryon/asynuuvno8/the-brown-buffalo-conceal-pack-21l/)

by [The Brown Buffalo](https://onebag.travel/carryons/?brands=The Brown Buffalo)

![Front facing view of the The Brown Buffalo Conceal Pack 21L](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990440/carryons/the-brown-buffalo-conceal-pack-21l-asynuuvno8.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>21 L</td></tr><tr><td>Weight</td><td>1.3 kg</td></tr><tr><td>Dimensions</td><td>50×30×15 cm</td></tr><tr><td>Airline fit</td><td>92%</td></tr><tr><td>Price</td><td>$325</td></tr></tbody></table>

## Key differences between the Patagonia Black Hole MLC Wheeled Duffel 34L and The Brown Buffalo Conceal Pack 21L

-   **Luggage passthrough:** No on the Patagonia Black Hole MLC Wheeled Duffel 34L; Yes on the The Brown Buffalo Conceal Pack 21L.
-   **Backpack straps:** Hideable on the Patagonia Black Hole MLC Wheeled Duffel 34L; Yes on the The Brown Buffalo Conceal Pack 21L.
-   **Laptop sleeve:** No on the Patagonia Black Hole MLC Wheeled Duffel 34L; 15in on the The Brown Buffalo Conceal Pack 21L.

Both have: passport pocket, 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. 167 accept both. 0 accept only the Patagonia Black Hole MLC Wheeled Duffel 34L, and 6 accept only the The Brown Buffalo Conceal Pack 21L.

### Only the The Brown Buffalo Conceal Pack 21L fits

Air Niugini, Belavia, Etihad Airways, Oman Air, Qatar Airways, Royal Jordanian.

## Patagonia Black Hole MLC Wheeled Duffel 34L vs. The Brown Buffalo Conceal Pack 21L: which should you pack?

The **Patagonia Black Hole MLC Wheeled Duffel 34L** carries 13L more than the **The Brown Buffalo Conceal Pack 21L** (34L vs. 21L), while the **The Brown Buffalo Conceal Pack 21L** is the lighter pack at 1.3kg (vs. 2.9kg). For carry-on flexibility, the **The Brown Buffalo Conceal Pack 21L** fits 92% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Patagonia Black Hole MLC Wheeled Duffel 34L; if you want to travel lighter, the The Brown Buffalo Conceal Pack 21L is the better call.