---
url: "https://onebag.travel/compare/aiuhvv19pe/topo-designs-mountain-pack/mha9okgx7m/remote-equipment-alpha-31-pack/"
title: "Topo Designs Mountain Pack vs Remote Equipment Alpha 31 Pack"
description: "Topo Designs Mountain Pack vs Remote Equipment Alpha 31 Pack: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/aiuhvv19pe/topo-designs-mountain-pack/mha9okgx7m/remote-equipment-alpha-31-pack/"
---
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2.  [Carry-On Travel Backpacks](https://onebag.travel/carryons/)
3.  Topo Designs Mountain Pack vs. Remote Equipment Alpha 31 Pack

# Topo Designs Mountain Pack vs. Remote Equipment Alpha 31 Pack

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

## [Topo Designs Mountain Pack](https://onebag.travel/carryon/aiuhvv19pe/topo-designs-mountain-pack/)

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

![Front facing view of the Topo Designs Mountain Pack](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1601601607/carryons/topodesigns_wwcrzi.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>30 L</td></tr><tr><td>Weight</td><td>1 kg</td></tr><tr><td>Dimensions</td><td>48×29×18 cm</td></tr><tr><td>Airline fit</td><td>93%</td></tr><tr><td>Price</td><td>$180</td></tr></tbody></table>

## Feature by feature

| Topo Designs Mountain Pack | Feature | Remote Equipment Alpha 31 Pack |
| --- | --- | --- |
| Storage |
| \>5 | Compression | 4 |
| None | Expanded Capacity | 36L |
| 2 | Opening | 2 |
| top | Passport | top |
| N | Passthrough | N |
| Carry |
| Y | Backpack | Y |
| removable | Hip Belt | removable |
| Y | Sternum Strap | Y |
| Inside |
| 15in | Laptop | 16in |
| 3 | Main Compartments | 6 |
| N | Organizer | N |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | N |
| 2, side | Water Bottle Holder | 2, side |
| Y | Water Resistant | Y |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>1000D exterior, 210D coated pack cloth liner</td><td>Challenge Outdoor EPX600</td></tr></tbody></table>

## [Remote Equipment Alpha 31 Pack](https://onebag.travel/carryon/mha9okgx7m/remote-equipment-alpha-31-pack/)

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

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>31 L</td></tr><tr><td>Weight</td><td>1.5 kg</td></tr><tr><td>Dimensions</td><td>54×29×20 cm</td></tr><tr><td>Airline fit</td><td>88%</td></tr><tr><td>Price</td><td>$400</td></tr></tbody></table>

## Key differences between the Topo Designs Mountain Pack and Remote Equipment Alpha 31 Pack

-   **Compression straps:** >5 on the Topo Designs Mountain Pack; 4 on the Remote Equipment Alpha 31 Pack.
-   **Laptop sleeve:** 15in on the Topo Designs Mountain Pack; 16in on the Remote Equipment Alpha 31 Pack.
-   **Main compartments:** 3 on the Topo Designs Mountain Pack; 6 on the Remote Equipment Alpha 31 Pack.

Both have: passport pocket, backpack straps, hip belt, sternum strap, water bottle pockets, water resistant.

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

We checked both bags against the carry-on size limits of 189 airlines. 166 accept both. 9 accept only the Topo Designs Mountain Pack, and 0 accept only the Remote Equipment Alpha 31 Pack.

### Only the Topo Designs Mountain Pack fits

Air Niugini, Belavia, Etihad Airways, Oman Air, Qatar Airways, Regional Express, Royal Jordanian, Virgin Australia, WestJet.

## Topo Designs Mountain Pack vs. Remote Equipment Alpha 31 Pack: which should you pack?

The **Remote Equipment Alpha 31 Pack** carries 1L more than the **Topo Designs Mountain Pack** (30L vs. 31L), while the **Topo Designs Mountain Pack** is the lighter pack at 1kg (vs. 1.5kg). For carry-on flexibility, the **Topo Designs Mountain Pack** fits 93% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Remote Equipment Alpha 31 Pack; if you want to travel lighter, the Topo Designs Mountain Pack is the better call.