---
url: "https://onebag.travel/compare/8vbwldjs9p/ortlieb-velocity-design/aqw7uasy9t/opposethis-invisible-backpack-3/"
title: "Ortlieb Velocity Design vs OpposeThis Invisible Backpack 3"
description: "Ortlieb Velocity Design vs OpposeThis Invisible Backpack 3: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/8vbwldjs9p/ortlieb-velocity-design/aqw7uasy9t/opposethis-invisible-backpack-3/"
---
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3.  Ortlieb Velocity Design vs. OpposeThis Invisible Backpack 3

# Ortlieb Velocity Design vs. OpposeThis Invisible Backpack 3

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

## [Ortlieb Velocity Design](https://onebag.travel/carryon/8vbwldjs9p/ortlieb-velocity-design/)

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

![Front facing view of the Ortlieb Velocity Design](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1630926961/carryons/Ortlieb_Velocity_Design_wf4hwh.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>23 L</td></tr><tr><td>Weight</td><td>0.88 kg</td></tr><tr><td>Dimensions</td><td>50×30×16 cm</td></tr><tr><td>Airline fit</td><td>92%</td></tr><tr><td>Price</td><td>$145</td></tr></tbody></table>

## Feature by feature

| Ortlieb Velocity Design | Feature | OpposeThis Invisible Backpack 3 |
| --- | --- | --- |
| Storage |
| N | Compression | N |
| None | Expanded Capacity | None |
| 2 | Opening | 3 |
| N | Passport | top |
| N | Passthrough | N |
| Carry |
| Y | Backpack | Y |
| removable | Hip Belt | N |
| removable | Sternum Strap | removable |
| Inside |
| 15in | Laptop | 15in |
| 1 | Main Compartments | 5 |
| 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>PD620, PS620C</td><td>800x600D lightweight waterproof nylon-polyester blend</td></tr></tbody></table>

## [OpposeThis Invisible Backpack 3](https://onebag.travel/carryon/aqw7uasy9t/opposethis-invisible-backpack-3/)

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

![Front facing view of the OpposeThis Invisible Backpack 3](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1601587752/carryons/Th2_2048x2048_llg2gz.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>23 L</td></tr><tr><td>Weight</td><td>0.9 kg</td></tr><tr><td>Dimensions</td><td>49×35×19 cm</td></tr><tr><td>Airline fit</td><td>90%</td></tr><tr><td>Price</td><td>$250</td></tr></tbody></table>

## Key differences between the Ortlieb Velocity Design and OpposeThis Invisible Backpack 3

-   **Opening:** Rolltop on the Ortlieb Velocity Design; Top flap on the OpposeThis Invisible Backpack 3.
-   **Passport pocket:** No on the Ortlieb Velocity Design; Top on the OpposeThis Invisible Backpack 3.
-   **Hip belt:** Removable on the Ortlieb Velocity Design; No on the OpposeThis Invisible Backpack 3.
-   **Main compartments:** 1 on the Ortlieb Velocity Design; 5 on the OpposeThis Invisible Backpack 3.

Both have: backpack straps, sternum strap, laptop sleeve, water resistant.

## Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 171 accept both. 2 accept only the Ortlieb Velocity Design, and 0 accept only the OpposeThis Invisible Backpack 3.

### Only the Ortlieb Velocity Design fits

Air Niugini, Cayman Airways.

## Ortlieb Velocity Design vs. OpposeThis Invisible Backpack 3: which should you pack?

The **Ortlieb Velocity Design** carries the same capacity as the **OpposeThis Invisible Backpack 3** (23L vs. 23L), while the **Ortlieb Velocity Design** is the lighter pack at 0.88kg (vs. 0.9kg). For carry-on flexibility, the **Ortlieb Velocity Design** fits 92% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Ortlieb Velocity Design; if you want to travel lighter, the Ortlieb Velocity Design is the better call.