---
url: "https://onebag.travel/compare/ev2696nauu/arcteryx-mantis-26-backpack/we8jc3v3uo/stm-grace/"
title: "Arc'teryx Mantis 26 Backpack vs STM Grace"
description: "Arc'teryx Mantis 26 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/ev2696nauu/arcteryx-mantis-26-backpack/we8jc3v3uo/stm-grace/"
---
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2.  [Carry-On Travel Backpacks](https://onebag.travel/carryons/)
3.  Arc'teryx Mantis 26 Backpack vs. STM Grace

# Arc'teryx Mantis 26 Backpack vs. STM Grace

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

## [Arc'teryx Mantis 26 Backpack](https://onebag.travel/carryon/ev2696nauu/arcteryx-mantis-26-backpack/)

![Front facing view of the Arc'teryx Mantis 26 Backpack](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/carryons/j63xkw358ywnzfgvgkzu)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>26 L</td></tr><tr><td>Weight</td><td>1.84 kg</td></tr><tr><td>Dimensions</td><td>48×28×25 cm</td></tr><tr><td>Airline fit</td><td>40%</td></tr></tbody></table>

## Feature by feature

| Arc'teryx Mantis 26 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 |
| N | Sternum Strap | N |
| Inside |
|  | Laptop | 15in |
| 1 | Main Compartments | 1 |
|  | Organizer | Y |
| Outside |
| × | Hard Shell | × |
|  | Rain-fly | N |
|  | Water Bottle Holder | N |
| Y | Water Resistant | Y |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>Recycled 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>

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

We checked both bags against the carry-on size limits of 189 airlines. 75 accept both. 1 accept only the Arc'teryx Mantis 26 Backpack, and 105 accept only the STM Grace.

### Only the Arc'teryx Mantis 26 Backpack fits

Great Lakes Airlines.

### Only the STM Grace fits

Aer Lingus, Air Asia, Air Baltic, Air Canada, Air China, Air Macau, Air Malta, Air Niugini, Air Serbia, Air Seychelles, Air Tahiti, Air Wisconsin, AirAsiaX, Alaska Airlines, Allegiant Air, American Airlines, American Eagle, Asiana Airlines, ATA Airlines, Austrian, Avianca , Azerbaijan Airlines, Bahamasair, Bangkok Airways, Belavia, Biman Bangladesh, Blue Air, Brussels Airlines, Bulgaria Air, Cambodia Angkor Air, Cathay Pacific, Cayman Airways, Cebu Pacific, China Airlines, China Eastern, CommutAir, Delta Airlines, Dragonair, easyJet, Emirates Airlines, Enter Air, Ethiopian Airlines, Eurowings, EVA Air, Fiji Airways, Flair Air, flybe, Garuda Indonesia, Gulf Air, Hawaiian Airlines, Hong Kong Airlines, Icelandair, InselAir, jetBlue Airways, Jetstar Airways, Jetstar Asia, Juneyao Airlines, Kulula, Liat Airlines, LOT Polish, Lufthansa, Luxair, Mahan Air, Malaysia Airlines, Mango, Meridiana Fly, Mesa Airlines, Nordwind Airlines, Norwegian, Oman Air, Pakistan International, Porter Airlines, Qantas Airways, Ravn Alaska, Regional Express, Republic Airways, Royal Brunei Airlines, Royal Jordanian, Ryanair, S7, SAS Scandinavian, Scoot, Shandong Airlines, Shenzhen Airlines, Skywest, Inc., South African Airways, SriLankan Airlines, Sun Express, Swiss Int'l Air Lines, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), Tiger Airways, Trans States, TUI, Turkish Airlines, Ukraine International, United Airlines, Vietnam Airlines, VIM Airlines (Closed), Virgin Atlantic, Virgin Australia, Volotea, WestJet, Xiamen.

## Arc'teryx Mantis 26 Backpack vs. STM Grace: which should you pack?

The **Arc'teryx Mantis 26 Backpack** carries 6L more than the **STM Grace** (26L vs. 20L), while the **STM Grace** is the lighter pack at 0.6kg (vs. 1.84kg). 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 Arc'teryx Mantis 26 Backpack; if you want to travel lighter, the STM Grace is the better call.