---
url: "https://onebag.travel/compare/a73311s7he/pakt-the-travel-backpack-45l/l7agtd2du4/topo-travel-bag-40l/"
title: "Pakt The Travel Backpack 45L vs Topo Travel Bag 40L"
description: "Pakt The Travel Backpack 45L vs Topo Travel Bag 40L: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/a73311s7he/pakt-the-travel-backpack-45l/l7agtd2du4/topo-travel-bag-40l/"
---
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3.  Pakt The Travel Backpack 45L vs. Topo Travel Bag 40L

# Pakt The Travel Backpack 45L vs. Topo Travel Bag 40L

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

## [Pakt The Travel Backpack 45L](https://onebag.travel/carryon/a73311s7he/pakt-the-travel-backpack-45l/)

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

![Front facing view of the Pakt The Travel Backpack 45L](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990500/carryons/pakt-the-travel-backpack-45l-a73311s7he.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>45 L</td></tr><tr><td>Weight</td><td>2 kg</td></tr><tr><td>Dimensions</td><td>60×33×24 cm</td></tr><tr><td>Airline fit</td><td>5%</td></tr><tr><td>Price</td><td>$345</td></tr></tbody></table>

## Feature by feature

| Pakt The Travel Backpack 45L | Feature | Topo Travel Bag 40L |
| --- | --- | --- |
| Storage |
| 2 | Compression | N |
| None | Expanded Capacity | None |
| 1 | Opening | 1 |
| front | Passport | front |
| Y | Passthrough | N |
| Carry |
| hideable | Backpack | hideable |
| removable | Hip Belt | removable |
| removable | Sternum Strap | removable |
| Inside |
| 16in | Laptop | 15in |
| 5 | Main Compartments | 4 |
| Y | 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>500D recycled nylon</td><td>1000D recycled nylon,</td></tr></tbody></table>

## [Topo Travel Bag 40L](https://onebag.travel/carryon/l7agtd2du4/topo-travel-bag-40l/)

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

![Front facing view of the Topo Travel Bag 40L](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1617230517/carryons/Topo_Travel_Bag_-_40L_hretnv.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>40 L</td></tr><tr><td>Weight</td><td>1.7 kg</td></tr><tr><td>Dimensions</td><td>57×36×19 cm</td></tr><tr><td>Airline fit</td><td>16%</td></tr><tr><td>Price</td><td>$230</td></tr></tbody></table>

## Key differences between the Pakt The Travel Backpack 45L and Topo Travel Bag 40L

-   **Compression straps:** 2 on the Pakt The Travel Backpack 45L; No on the Topo Travel Bag 40L.
-   **Luggage passthrough:** Yes on the Pakt The Travel Backpack 45L; No on the Topo Travel Bag 40L.
-   **Laptop sleeve:** 16in on the Pakt The Travel Backpack 45L; 15in on the Topo Travel Bag 40L.
-   **Main compartments:** 5 on the Pakt The Travel Backpack 45L; 4 on the Topo Travel Bag 40L.
-   **Built-in organizer:** Yes on the Pakt The Travel Backpack 45L; No on the Topo Travel Bag 40L.

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. 10 accept both. 0 accept only the Pakt The Travel Backpack 45L, and 21 accept only the Topo Travel Bag 40L.

### Only the Topo Travel Bag 40L fits

Air Europa, Air Koryo, Air Tahiti Nui, Azul Linhas, Caribbean Airlines, China Southern, Croatia Air, Cubana de Aviacion, Hainan Airlines, Korean Air, Philippine Airlines, Royal Air Morocco, Saudi Arabian Airlines, Sichuan Airlines, SilkAir, Silver Airways, Singapore Airlines, SpiceJet, TAAG Angola, TAM Airlines, Ural Airlines.

## Pakt The Travel Backpack 45L vs. Topo Travel Bag 40L: which should you pack?

The **Pakt The Travel Backpack 45L** carries 5L more than the **Topo Travel Bag 40L** (45L vs. 40L), while the **Topo Travel Bag 40L** is the lighter pack at 1.7kg (vs. 2kg). For carry-on flexibility, the **Topo Travel Bag 40L** fits 16% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Pakt The Travel Backpack 45L; if you want to travel lighter, the Topo Travel Bag 40L is the better call.