---
url: "https://onebag.travel/compare/ait0dfd8mm/patagonia-black-hole-mlc-wheeled-duffel-34l/l7agtd2du4/topo-travel-bag-40l/"
title: "Patagonia Black Hole MLC Wheeled Duffel 34L vs Topo Travel Bag 40L"
description: "Patagonia Black Hole MLC Wheeled Duffel 34L vs Topo Travel Bag 40L: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/ait0dfd8mm/patagonia-black-hole-mlc-wheeled-duffel-34l/l7agtd2du4/topo-travel-bag-40l/"
---
1.  [Home](https://onebag.travel/)
2.  [Carry-On Travel Backpacks](https://onebag.travel/carryons/)
3.  Patagonia Black Hole MLC Wheeled Duffel 34L vs. Topo Travel Bag 40L

# Patagonia Black Hole MLC Wheeled Duffel 34L vs. Topo Travel Bag 40L

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 | Topo Travel Bag 40L |
| --- | --- | --- |
| Storage |
| N | Compression | N |
| None | Expanded Capacity | None |
| 1 | Opening | 1 |
| front | Passport | front |
| N | Passthrough | N |
| Carry |
| hideable | Backpack | hideable |
| N | Hip Belt | removable |
| removable | Sternum Strap | removable |
| Inside |
| N | Laptop | 15in |
| 2 | Main Compartments | 4 |
| 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>8.7-oz 300-denier 100% postconsumer recycled polyester ripstop with a postindustrial recycled TPU-film laminate</td><td>1000D recycled nylon,</td></tr></tbody></table>

## [Topo Travel Bag 40L](https://onebag.travel/carryon/l7agtd2du4/topo-travel-bag-40l/)

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

![Front facing view of the Topo Travel Bag 40L](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1617230517/carryons/Topo_Travel_Bag_-_40L_hretnv.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>1.7 kg</td></tr><tr><td>Dimensions</td><td>57×36×19 cm</td></tr><tr><td>Airline fit</td><td>16%</td></tr><tr><td>Price</td><td>$230</td></tr></tbody></table>

## Key differences between the Patagonia Black Hole MLC Wheeled Duffel 34L and Topo Travel Bag 40L

-   **Hip belt:** No on the Patagonia Black Hole MLC Wheeled Duffel 34L; Removable on the Topo Travel Bag 40L.
-   **Laptop sleeve:** No on the Patagonia Black Hole MLC Wheeled Duffel 34L; 15in on the Topo Travel Bag 40L.
-   **Main compartments:** 2 on the Patagonia Black Hole MLC Wheeled Duffel 34L; 4 on the Topo Travel Bag 40L.
-   **Water bottle pockets:** No on the Patagonia Black Hole MLC Wheeled Duffel 34L; 2, side on the Topo Travel Bag 40L.

Both have: passport pocket, 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. 31 accept both. 136 accept only the Patagonia Black Hole MLC Wheeled Duffel 34L, and 0 accept only the Topo Travel Bag 40L.

### Only the Patagonia Black Hole MLC Wheeled Duffel 34L fits

Aegean Airlines, Aer Lingus, Aeroflot, Aerolineas Argentinas, Aeromexico, Air Asia, Air Astana, Air Baltic, Air Canada, Air Caraibes, Air China, Air France, Air India, Air Macau, Air Malta, Air Mauritius, Air Nostrum, Air Serbia, Air Seychelles, Air Wisconsin, AirAsiaX, Alaska Airlines, All Nipon Airways, Allegiant Air, American Airlines, ANA, Asiana Airlines, ATA Airlines, Atlas Global, Austrian, Avianca , Azerbaijan Airlines, Bahamasair, Bangkok Airways, Biman Bangladesh, Blue Air, Boliviana de Aviacion, British Airways, Brussels Airlines, Bulgaria Air, Cambodia Angkor Air, Cathay Pacific, Cayman Airways, Cebu Pacific, China Airlines, China Eastern, CommutAir, Copa Airlines, Czech Airlines, Delta Airlines, Dragonair, EL AL, Emirates Airlines, Enter Air, Ethiopian Airlines, Eurowings, EVA Air, Fiji Airways, Finnair, Flair Air, flybe, Garuda Indonesia, Gol Linhas Aereas, Hawaiian Airlines, Hong Kong Airlines, Iberia, Icelandair, Indigo, InselAir, Interjet, Iran Air, Iran Aseman Air, Japan Airlines, Jet Airways, Jet2, jetBlue Airways, Jetstar Airways, Jetstar Asia, Juneyao Airlines, Kenya Airways, KLM, Kulula, Kuwait Air, LATAM , Liat Airlines, LOT Polish, Lufthansa, Luxair, Mahan Air, Malaysia Airlines, Mango, Meridiana Fly, Mesa Airlines, Middle East Airlines, Monarch Airlines, Nordwind Airlines, Norwegian, Onur Air, Pakistan International, Peach, Porter Airlines, Qantas Airways, Republic Airways, Royal Brunei Airlines, Ryanair, S7, SAS Scandinavian, Scoot, Shandong Airlines, Shenzhen Airlines, Sky Airlines, Skywest, Inc., South African Airways, Spirit Airlines, SriLankan Airlines, Sun Express, Swiss Int'l Air Lines, TAP Air Portugal, TAROM, Thai Airways, Tianjin Airlines (A320 & E190), Tiger Airways, Trans States, Travel Service Airlines, TUI, Turkish Airlines, Ukraine International, United Airlines, Uzbekistan Air, Vietnam Airlines, VIM Airlines (Closed), Virgin Atlantic, Volotea, WestJet, WOW Airlines, Xiamen.

## Patagonia Black Hole MLC Wheeled Duffel 34L vs. Topo Travel Bag 40L: which should you pack?

The **Topo Travel Bag 40L** carries 6L more than the **Patagonia Black Hole MLC Wheeled Duffel 34L** (34L vs. 40L), while the **Topo Travel Bag 40L** is the lighter pack at 1.7kg (vs. 2.9kg). For carry-on flexibility, the **Patagonia Black Hole MLC Wheeled Duffel 34L** fits 88% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Topo Travel Bag 40L; if you want to travel lighter, the Topo Travel Bag 40L is the better call.