---
url: "https://onebag.travel/compare/erxfjwo6e2/ortlieb-velocity-ps/j0bvy2x3ap/tom-bihn-smart-alec/"
title: "Ortlieb Velocity PS vs Tom Bihn Smart Alec - One Bag Travel"
description: "Ortlieb Velocity PS vs Tom Bihn Smart Alec: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/erxfjwo6e2/ortlieb-velocity-ps/j0bvy2x3ap/tom-bihn-smart-alec/"
---
1.  [Home](https://onebag.travel/)
2.  [Carry-On Travel Backpacks](https://onebag.travel/carryons/)
3.  Ortlieb Velocity PS vs. Tom Bihn Smart Alec

# Ortlieb Velocity PS vs. Tom Bihn Smart Alec

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

## [Ortlieb Velocity PS](https://onebag.travel/carryon/erxfjwo6e2/ortlieb-velocity-ps/)

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

![Front facing view of the Ortlieb Velocity PS](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1630921805/carryons/Ortlieb_Velocity_PS_eugw6c.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>0.79 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>$150</td></tr></tbody></table>

## Feature by feature

| Ortlieb Velocity PS | Feature | Tom Bihn Smart Alec |
| --- | --- | --- |
| Storage |
| N | Compression | N |
| None | Expanded Capacity | None |
| 2 | Opening | 0 |
| N | Passport |  |
| N | Passthrough | N |
| Carry |
| Y | Backpack | Y |
| removable | Hip Belt | removable |
| removable | Sternum Strap | removable |
| Inside |
| 15in | Laptop | 17in |
| 1 | Main Compartments | 0 |
|  | Organizer | Y |
| 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>PS33</td><td></td></tr></tbody></table>

## [Tom Bihn Smart Alec](https://onebag.travel/carryon/j0bvy2x3ap/tom-bihn-smart-alec/)

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

![Front facing view of the Tom Bihn Smart Alec](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1601600373/carryons/tombihnsmartalex_cvucd3.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>26 L</td></tr><tr><td>Weight</td><td>0.9 kg</td></tr><tr><td>Dimensions</td><td>47×30×21 cm</td></tr><tr><td>Airline fit</td><td>74%</td></tr><tr><td>Price</td><td>$190</td></tr></tbody></table>

## Key differences between the Ortlieb Velocity PS and Tom Bihn Smart Alec

-   **Opening:** Rolltop on the Ortlieb Velocity PS; Other on the Tom Bihn Smart Alec.
-   **Laptop sleeve:** 15in on the Ortlieb Velocity PS; 17in on the Tom Bihn Smart Alec.

Both have: backpack straps, hip belt, 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. 138 accept both. 35 accept only the Ortlieb Velocity PS, and 2 accept only the Tom Bihn Smart Alec.

### Only the Ortlieb Velocity PS fits

Air Baltic, Air China, Air Malta, Air Niugini, Air Serbia, Air Seychelles, Asiana Airlines, ATA Airlines, Belavia, Blue Air, Bulgaria Air, China Eastern, Emirates Airlines, Enter Air, flybe, Icelandair, InselAir, Juneyao Airlines, Luxair, Meridiana Fly, Nordwind Airlines, Royal Brunei Airlines, Ryanair, S7, Shandong Airlines, Shenzhen Airlines, Sun Express, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), TUI, Ukraine International, VIM Airlines (Closed), Volotea, Xiamen.

### Only the Tom Bihn Smart Alec fits

Regional Express, Virgin Australia.

## Ortlieb Velocity PS vs. Tom Bihn Smart Alec: which should you pack?

The **Tom Bihn Smart Alec** carries 3L more than the **Ortlieb Velocity PS** (23L vs. 26L), while the **Ortlieb Velocity PS** is the lighter pack at 0.79kg (vs. 0.9kg). For carry-on flexibility, the **Ortlieb Velocity PS** fits 92% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Tom Bihn Smart Alec; if you want to travel lighter, the Ortlieb Velocity PS is the better call.