---
url: "https://onebag.travel/compare/esrcmzvrry/patagonia-black-hole-mlc-45l/xtxlaxfico/aer-pro-pack-24l/"
title: "Patagonia Black Hole® MLC® 45L vs Aer Pro Pack 24L"
description: "Patagonia Black Hole® MLC® 45L vs Aer Pro Pack 24L: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/esrcmzvrry/patagonia-black-hole-mlc-45l/xtxlaxfico/aer-pro-pack-24l/"
---
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3.  Patagonia Black Hole® MLC® 45L vs. Aer Pro Pack 24L

# Patagonia Black Hole® MLC® 45L vs. Aer Pro Pack 24L

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

## [Patagonia Black Hole® MLC® 45L](https://onebag.travel/carryon/esrcmzvrry/patagonia-black-hole-mlc-45l/)

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

![Front facing view of the Patagonia Black Hole® MLC® 45L](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1632883589/carryons/Patagonia_Black_Hole_MLC_45L_ta74b3.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>45 L</td></tr><tr><td>Weight</td><td>1.7 kg</td></tr><tr><td>Dimensions</td><td>56×37×19 cm</td></tr><tr><td>Airline fit</td><td>26%</td></tr><tr><td>Price</td><td>$240</td></tr></tbody></table>

## Feature by feature

| Patagonia Black Hole® MLC® 45L | Feature | Aer Pro Pack 24L |
| --- | --- | --- |
| Storage |
| N | Compression | N |
| None | Expanded Capacity | None |
| 1 | Opening | 1 |
| top | Passport | top |
| Y | Passthrough | Y |
| Carry |
| Y | Backpack | Y |
| N | Hip Belt | N |
| Y | Sternum Strap | Y |
| Inside |
| 15in | Laptop | 16in |
| 5 | Main Compartments | 4 |
| N | Organizer | Y |
| 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>14.1-oz 900-denier 100% postconsumer recycled polyester ripstop with a postindustrial recycled TPU-film laminate</td><td>840D CORDURA re/cor recycled nylon</td></tr></tbody></table>

## [Aer Pro Pack 24L](https://onebag.travel/carryon/xtxlaxfico/aer-pro-pack-24l/)

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

![Front facing view of the Aer Pro Pack 24L](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990322/carryons/aer-pro-pack-24l-xtxlaxfico.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>24 L</td></tr><tr><td>Weight</td><td>1.3 kg</td></tr><tr><td>Dimensions</td><td>47×32×19 cm</td></tr><tr><td>Airline fit</td><td>92%</td></tr><tr><td>Price</td><td>$200</td></tr></tbody></table>

## Key differences between the Patagonia Black Hole® MLC® 45L and Aer Pro Pack 24L

-   **Laptop sleeve:** 15in on the Patagonia Black Hole® MLC® 45L; 16in on the Aer Pro Pack 24L.
-   **Main compartments:** 5 on the Patagonia Black Hole® MLC® 45L; 4 on the Aer Pro Pack 24L.
-   **Built-in organizer:** No on the Patagonia Black Hole® MLC® 45L; Yes on the Aer Pro Pack 24L.

Both have: passport pocket, luggage passthrough, 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. 49 accept both. 0 accept only the Patagonia Black Hole® MLC® 45L, and 125 accept only the Aer Pro Pack 24L.

### Only the Aer Pro Pack 24L fits

Aer Lingus, Aeroflot, Aerolineas Argentinas, Aeromexico, Air Asia, Air Baltic, Air Canada, Air Caraibes, Air China, Air France, Air India, Air Macau, Air Malta, Air Mauritius, Air Serbia, Air Seychelles, Air Wisconsin, AirAsiaX, Alaska Airlines, All Nipon Airways, Allegiant Air, American Airlines, ANA, Asiana Airlines, ATA Airlines, Austrian, Avianca , Azerbaijan Airlines, Bahamasair, Bangkok Airways, Belavia, Biman Bangladesh, Blue Air, Boliviana de Aviacion, 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, Emirates Airlines, Enter Air, Ethiopian Airlines, Etihad Airways, Eurowings, EVA Air, Fiji Airways, Flair Air, flybe, Garuda Indonesia, Gol Linhas Aereas, Hawaiian Airlines, Hong Kong Airlines, Iberia, Icelandair, Indigo, InselAir, Interjet, Iran Air, Japan Airlines, Jet Airways, jetBlue Airways, Jetstar Airways, Jetstar Asia, Juneyao Airlines, Kenya Airways, KLM, Kulula, LATAM , Liat Airlines, LOT Polish, Lufthansa, Luxair, Mahan Air, Malaysia Airlines, Mango, Meridiana Fly, Mesa Airlines, Nordwind Airlines, Norwegian, Oman Air, Pakistan International, Peach, Porter Airlines, Qantas Airways, Qatar Airways, Regional Express, Republic Airways, Royal Brunei Airlines, Royal Jordanian, Ryanair, S7, SAS Scandinavian, Scoot, Shandong Airlines, Shenzhen Airlines, Sky Airlines, Skywest, Inc., South African Airways, SriLankan Airlines, Sun Express, Swiss Int'l Air Lines, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), Tiger Airways, Trans States, TUI, Turkish Airlines, Ukraine International, United Airlines, Vietnam Airlines, VIM Airlines (Closed), Virgin Atlantic, Virgin Australia, Volotea, WestJet, Xiamen.

## Patagonia Black Hole® MLC® 45L vs. Aer Pro Pack 24L: which should you pack?

The **Patagonia Black Hole® MLC® 45L** carries 21L more than the **Aer Pro Pack 24L** (45L vs. 24L), while the **Aer Pro Pack 24L** is the lighter pack at 1.3kg (vs. 1.7kg). For carry-on flexibility, the **Aer Pro Pack 24L** fits 92% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Patagonia Black Hole® MLC® 45L; if you want to travel lighter, the Aer Pro Pack 24L is the better call.