---
url: "https://onebag.travel/compare/3uw3rlk8l4/superdry-mega-ripstop-tarp-backpack/we8jc3v3uo/stm-grace/"
title: "SuperDry Mega Ripstop Tarp Backpack vs STM Grace"
description: "SuperDry Mega Ripstop Tarp Backpack vs STM Grace: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/3uw3rlk8l4/superdry-mega-ripstop-tarp-backpack/we8jc3v3uo/stm-grace/"
---
1.  [Home](https://onebag.travel/)
2.  [Carry-On Travel Backpacks](https://onebag.travel/carryons/)
3.  SuperDry Mega Ripstop Tarp Backpack vs. STM Grace

# SuperDry Mega Ripstop Tarp Backpack vs. STM Grace

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

## [SuperDry Mega Ripstop Tarp Backpack](https://onebag.travel/carryon/3uw3rlk8l4/superdry-mega-ripstop-tarp-backpack/)

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

![Front facing view of the SuperDry Mega Ripstop Tarp Backpack](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1601600651/carryons/megatipstop_d3ssch.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 kg</td></tr><tr><td>Dimensions</td><td>45×35×15 cm</td></tr><tr><td>Airline fit</td><td>93%</td></tr><tr><td>Price</td><td>$75</td></tr></tbody></table>

## Feature by feature

| SuperDry Mega Ripstop Tarp Backpack | Feature | STM Grace |
| --- | --- | --- |
| Storage |
| N | Compression | N |
| None | Expanded Capacity | None |
| 4 | Opening | 4 |
| N | Passport | N |
| N | Passthrough | N |
| Carry |
| Y | Backpack | Y |
| N | Hip Belt | N |
| Y | Sternum Strap | N |
| Inside |
| 17in | Laptop | 15in |
| 6 | 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>Polyester</td><td>100% polyester</td></tr></tbody></table>

## [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>

## Key differences between the SuperDry Mega Ripstop Tarp Backpack and STM Grace

-   **Sternum strap:** Yes on the SuperDry Mega Ripstop Tarp Backpack; No on the STM Grace.
-   **Laptop sleeve:** 17in on the SuperDry Mega Ripstop Tarp Backpack; 15in on the STM Grace.
-   **Main compartments:** 6 on the SuperDry Mega Ripstop Tarp Backpack; 1 on the STM Grace.

Both have: backpack straps, 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. 176 accept both. 0 accept only the SuperDry Mega Ripstop Tarp Backpack, and 4 accept only the STM Grace.

### Only the STM Grace fits

Air Niugini, Cayman Airways, Regional Express, Virgin Australia.

## SuperDry Mega Ripstop Tarp Backpack vs. STM Grace: which should you pack?

The **SuperDry Mega Ripstop Tarp Backpack** carries 1L more than the **STM Grace** (21L vs. 20L), and the two are closely matched on weight. 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 SuperDry Mega Ripstop Tarp Backpack; if you want to travel lighter, the STM Grace is the better call.