---
url: "https://onebag.travel/compare/esrcmzvrry/patagonia-black-hole-mlc-45l/tlpqdw2mbv/gossamer-gear-aero-jet/"
title: "Patagonia Black Hole® MLC® 45L vs Gossamer Gear Aero Jet"
description: "Patagonia Black Hole® MLC® 45L vs Gossamer Gear Aero Jet: 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/tlpqdw2mbv/gossamer-gear-aero-jet/"
---
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3.  Patagonia Black Hole® MLC® 45L vs. Gossamer Gear Aero Jet

# Patagonia Black Hole® MLC® 45L vs. Gossamer Gear Aero Jet

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 | Gossamer Gear Aero Jet |
| --- | --- | --- |
| Storage |
| N | Compression | N |
| None | Expanded Capacity | None |
| 1 | Opening | 1 |
| top | Passport | back |
| Y | Passthrough | Y |
| Carry |
| Y | Backpack | Y |
| N | Hip Belt | optional |
| Y | Sternum Strap | Y |
| Inside |
| 15in | Laptop | 17in |
| 5 | Main Compartments | 4 |
| N | Organizer | N |
| 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>210D Recycled Robic Nylon (PFAS-Free)</td></tr></tbody></table>

## [Gossamer Gear Aero Jet](https://onebag.travel/carryon/tlpqdw2mbv/gossamer-gear-aero-jet/)

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

![Front facing view of the Gossamer Gear Aero Jet](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990480/carryons/gossamer-gear-aero-jet-tlpqdw2mbv.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>1.1 kg</td></tr><tr><td>Dimensions</td><td>53×31×19 cm</td></tr><tr><td>Airline fit</td><td>88%</td></tr><tr><td>Price</td><td>$225</td></tr></tbody></table>

## Key differences between the Patagonia Black Hole® MLC® 45L and Gossamer Gear Aero Jet

-   **Passport pocket:** Top on the Patagonia Black Hole® MLC® 45L; Back on the Gossamer Gear Aero Jet.
-   **Hip belt:** No on the Patagonia Black Hole® MLC® 45L; Optional on the Gossamer Gear Aero Jet.
-   **Laptop sleeve:** 15in on the Patagonia Black Hole® MLC® 45L; 17in on the Gossamer Gear Aero Jet.
-   **Main compartments:** 5 on the Patagonia Black Hole® MLC® 45L; 4 on the Gossamer Gear Aero Jet.

Both have: 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 118 accept only the Gossamer Gear Aero Jet.

### Only the Gossamer Gear Aero Jet 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, 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, 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, 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, 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, Volotea, WestJet, Xiamen.

## Patagonia Black Hole® MLC® 45L vs. Gossamer Gear Aero Jet: which should you pack?

The **Patagonia Black Hole® MLC® 45L** carries 10L more than the **Gossamer Gear Aero Jet** (45L vs. 35L), while the **Gossamer Gear Aero Jet** is the lighter pack at 1.1kg (vs. 1.7kg). For carry-on flexibility, the **Gossamer Gear Aero Jet** fits 88% 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 Gossamer Gear Aero Jet is the better call.