---
url: "https://onebag.travel/compare/5i9umxrgtv/cotopaxi-allpa-28/7rzpkcwnfa/thule-subterra-34l/"
title: "Cotopaxi Allpa 28 vs Thule Subterra 34L - One Bag Travel"
description: "Cotopaxi Allpa 28 vs Thule Subterra 34L: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/5i9umxrgtv/cotopaxi-allpa-28/7rzpkcwnfa/thule-subterra-34l/"
---
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2.  [Carry-On Travel Backpacks](https://onebag.travel/carryons/)
3.  Cotopaxi Allpa 28 vs. Thule Subterra 34L

# Cotopaxi Allpa 28 vs. Thule Subterra 34L

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

## [Cotopaxi Allpa 28](https://onebag.travel/carryon/5i9umxrgtv/cotopaxi-allpa-28/)

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

![Front facing view of the Cotopaxi Allpa 28](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1600983875/carryons/cotopaxi_ogqiah.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>28 L</td></tr><tr><td>Weight</td><td>1 kg</td></tr><tr><td>Dimensions</td><td>48×30×23 cm</td></tr><tr><td>Airline fit</td><td>73%</td></tr><tr><td>Price</td><td>$200</td></tr></tbody></table>

## Feature by feature

| Cotopaxi Allpa 28 | Feature | Thule Subterra 34L |
| --- | --- | --- |
| Storage |
| N | Compression | N |
| None | Expanded Capacity | None |
| 1 | Opening | 2 |
| side | Passport | side |
| Y | Passthrough | Y |
| Carry |
| hideable | Backpack | Y |
| hideable | Hip Belt | N |
| Y | Sternum Strap | Y |
| Inside |
| 15in | Laptop | 15in |
| 4 | Main Compartments | 4 |
| N | Organizer | Y |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | N |
| 1, side | Water Bottle Holder | 1, side |
| Y | Water Resistant | Y |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>100% recycled 840D TPU-coated nylon</td><td>800D nylon</td></tr></tbody></table>

## [Thule Subterra 34L](https://onebag.travel/carryon/7rzpkcwnfa/thule-subterra-34l/)

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

![Front facing view of the Thule Subterra 34L](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1601124222/carryons/thulesubterra_vvfkax.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>34 L</td></tr><tr><td>Weight</td><td>1.2 kg</td></tr><tr><td>Dimensions</td><td>52×31×23 cm</td></tr><tr><td>Airline fit</td><td>70%</td></tr><tr><td>Price</td><td>$180</td></tr></tbody></table>

## Key differences between the Cotopaxi Allpa 28 and Thule Subterra 34L

-   **Opening:** Clamshell on the Cotopaxi Allpa 28; Rolltop on the Thule Subterra 34L.
-   **Backpack straps:** Hideable on the Cotopaxi Allpa 28; Yes on the Thule Subterra 34L.
-   **Hip belt:** Hideable on the Cotopaxi Allpa 28; No on the Thule Subterra 34L.
-   **Built-in organizer:** No on the Cotopaxi Allpa 28; Yes on the Thule Subterra 34L.

Both have: passport pocket, luggage passthrough, sternum strap, laptop sleeve, 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. 132 accept both. 6 accept only the Cotopaxi Allpa 28, and 0 accept only the Thule Subterra 34L.

### Only the Cotopaxi Allpa 28 fits

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

## Cotopaxi Allpa 28 vs. Thule Subterra 34L: which should you pack?

The **Thule Subterra 34L** carries 6L more than the **Cotopaxi Allpa 28** (28L vs. 34L), while the **Cotopaxi Allpa 28** is the lighter pack at 1kg (vs. 1.2kg). For carry-on flexibility, the **Cotopaxi Allpa 28** fits 73% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Thule Subterra 34L; if you want to travel lighter, the Cotopaxi Allpa 28 is the better call.