---
url: "https://onebag.travel/compare/8aqroxn420/knack-bags-medium-expandable-knack-pack-v2/ait0dfd8mm/patagonia-black-hole-mlc-wheeled-duffel-34l/"
title: "Knack Bags Medium Expandable Knack Pack v2 vs Patagonia Black Hole MLC Wheeled Duffel 34L"
description: "Knack Bags Medium Expandable Knack Pack v2 vs Patagonia Black Hole MLC Wheeled Duffel 34L: capacity, weight, dimensions and how many airlines accept each as a…"
source: "https://onebag.travel/compare/8aqroxn420/knack-bags-medium-expandable-knack-pack-v2/ait0dfd8mm/patagonia-black-hole-mlc-wheeled-duffel-34l/"
---
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3.  Knack Bags Medium Expandable Knack Pack v2 vs. Patagonia Black Hole MLC Wheeled Duffel 34L

# Knack Bags Medium Expandable Knack Pack v2 vs. Patagonia Black Hole MLC Wheeled Duffel 34L

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

## [Knack Bags Medium Expandable Knack Pack v2](https://onebag.travel/carryon/8aqroxn420/knack-bags-medium-expandable-knack-pack-v2/)

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

![Front facing view of the Knack Bags Medium Expandable Knack Pack v2](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990374/carryons/knack-bags-medium-expandable-knack-pack-v2-8aqroxn420.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>1.4 kg</td></tr><tr><td>Dimensions</td><td>48×31×11 cm</td></tr><tr><td>Airline fit</td><td>92%</td></tr><tr><td>Price</td><td>$265</td></tr></tbody></table>

## Feature by feature

| Knack Bags Medium Expandable Knack Pack v2 | Feature | Patagonia Black Hole MLC Wheeled Duffel 34L |
| --- | --- | --- |
| Storage |
| N | Compression | N |
| 35L | Expanded Capacity | None |
| 1 | Opening | 1 |
| front | Passport | front |
| N | Passthrough | N |
| Carry |
| hideable | Backpack | hideable |
| N | Hip Belt | N |
| removable | Sternum Strap | removable |
| Inside |
| 16in | Laptop | N |
| 3 | Main Compartments | 2 |
| N | Organizer | N |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | N |
| 1, side | Water Bottle Holder | N |
| Y | Water Resistant | Y |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>PU coated 420 denier, high-density nylon</td><td>8.7-oz 300-denier 100% postconsumer recycled polyester ripstop with a postindustrial recycled TPU-film laminate</td></tr></tbody></table>

## [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>

## Key differences between the Knack Bags Medium Expandable Knack Pack v2 and Patagonia Black Hole MLC Wheeled Duffel 34L

-   **Laptop sleeve:** 16in on the Knack Bags Medium Expandable Knack Pack v2; No on the Patagonia Black Hole MLC Wheeled Duffel 34L.
-   **Main compartments:** 3 on the Knack Bags Medium Expandable Knack Pack v2; 2 on the Patagonia Black Hole MLC Wheeled Duffel 34L.
-   **Water bottle pockets:** 1, side on the Knack Bags Medium Expandable Knack Pack v2; No on the Patagonia Black Hole MLC Wheeled Duffel 34L.

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. 167 accept both. 7 accept only the Knack Bags Medium Expandable Knack Pack v2, and 0 accept only the Patagonia Black Hole MLC Wheeled Duffel 34L.

### Only the Knack Bags Medium Expandable Knack Pack v2 fits

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

## Knack Bags Medium Expandable Knack Pack v2 vs. Patagonia Black Hole MLC Wheeled Duffel 34L: which should you pack?

The **Patagonia Black Hole MLC Wheeled Duffel 34L** carries 10L more than the **Knack Bags Medium Expandable Knack Pack v2** (24L vs. 34L), while the **Knack Bags Medium Expandable Knack Pack v2** is the lighter pack at 1.4kg (vs. 2.9kg). For carry-on flexibility, the **Knack Bags Medium Expandable Knack Pack v2** 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 Knack Bags Medium Expandable Knack Pack v2 is the better call.