---
url: "https://onebag.travel/compare/we8jc3v3uo/stm-grace/ymrxzbnph3/ortlieb-commuter-daypack-urban-line/"
title: "STM Grace vs Ortlieb Commuter Daypack Urban Line"
description: "STM Grace vs Ortlieb Commuter Daypack Urban Line: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/we8jc3v3uo/stm-grace/ymrxzbnph3/ortlieb-commuter-daypack-urban-line/"
---
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2.  [Carry-On Travel Backpacks](https://onebag.travel/carryons/)
3.  STM Grace vs. Ortlieb Commuter Daypack Urban Line

# STM Grace vs. Ortlieb Commuter Daypack Urban Line

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

## [STM Grace](https://onebag.travel/carryon/we8jc3v3uo/stm-grace/)

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

![Front facing view of the STM Grace](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1634044887/carryons/STM_Grace_s3y2s6.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>20 L</td></tr><tr><td>Weight</td><td>0.6 kg</td></tr><tr><td>Dimensions</td><td>42×29×11 cm</td></tr><tr><td>Airline fit</td><td>95%</td></tr><tr><td>Price</td><td>$100</td></tr></tbody></table>

## Feature by feature

| STM Grace | Feature | Ortlieb Commuter Daypack Urban Line |
| --- | --- | --- |
| Storage |
| N | Compression | N |
| None | Expanded Capacity | None |
| 4 | Opening | 2 |
| N | Passport | N |
| N | Passthrough | N |
| Carry |
| Y | Backpack | Y |
| N | Hip Belt | removable |
| N | Sternum Strap | removable |
| Inside |
| 15in | Laptop | 15in |
| 1 | Main Compartments | 1 |
| Y | 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>100% polyester</td><td>PS55C</td></tr></tbody></table>

## [Ortlieb Commuter Daypack Urban Line](https://onebag.travel/carryon/ymrxzbnph3/ortlieb-commuter-daypack-urban-line/)

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

![Front facing view of the Ortlieb Commuter Daypack Urban Line](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1631152963/carryons/Commuter_Daypack_Urban_Line_b7piku.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>21 L</td></tr><tr><td>Weight</td><td>0.74 kg</td></tr><tr><td>Dimensions</td><td>50×30×15.5 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 STM Grace and Ortlieb Commuter Daypack Urban Line

-   **Opening:** Top zip on the STM Grace; Rolltop on the Ortlieb Commuter Daypack Urban Line.
-   **Hip belt:** No on the STM Grace; Removable on the Ortlieb Commuter Daypack Urban Line.
-   **Sternum strap:** No on the STM Grace; Removable on the Ortlieb Commuter Daypack Urban Line.

Both have: backpack straps, laptop sleeve, built-in organizer, water resistant.

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

We checked both bags against the carry-on size limits of 189 airlines. 173 accept both. 7 accept only the STM Grace, and 0 accept only the Ortlieb Commuter Daypack Urban Line.

### Only the STM Grace fits

Air Tahiti, American Eagle, easyJet, Gulf Air, Ravn Alaska, Regional Express, Virgin Australia.

## STM Grace vs. Ortlieb Commuter Daypack Urban Line: which should you pack?

The **Ortlieb Commuter Daypack Urban Line** carries 1L more than the **STM Grace** (20L vs. 21L), while the **STM Grace** is the lighter pack at 0.6kg (vs. 0.74kg). For carry-on flexibility, the **STM Grace** fits 95% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Ortlieb Commuter Daypack Urban Line; if you want to travel lighter, the STM Grace is the better call.