---
url: "https://onebag.travel/compare/cq301ksmxd/tortuga-outbreaker-backpack-45l/vapzzt5rje/bellroy-transit-backpack/"
title: "Tortuga Outbreaker Backpack 45L vs Bellroy Transit Backpack"
description: "Tortuga Outbreaker Backpack 45L vs Bellroy Transit Backpack: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/cq301ksmxd/tortuga-outbreaker-backpack-45l/vapzzt5rje/bellroy-transit-backpack/"
---
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3.  Tortuga Outbreaker Backpack 45L vs. Bellroy Transit Backpack

# Tortuga Outbreaker Backpack 45L vs. Bellroy Transit Backpack

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

## [Tortuga Outbreaker Backpack 45L](https://onebag.travel/carryon/cq301ksmxd/tortuga-outbreaker-backpack-45l/)

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

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>45 L</td></tr><tr><td>Weight</td><td>2.3 kg</td></tr><tr><td>Dimensions</td><td>56×36×23 cm</td></tr><tr><td>Airline fit</td><td>45%</td></tr><tr><td>Price</td><td>$350</td></tr></tbody></table>

## Feature by feature

| Tortuga Outbreaker Backpack 45L | Feature | Bellroy Transit Backpack |
| --- | --- | --- |
| Storage |
| N | Compression | N |
| None | Expanded Capacity | None |
| 1 | Opening | 1 |
| front | Passport | top |
| N | Passthrough | N |
| Carry |
| Y | Backpack | Y |
| removable | Hip Belt | N |
| Y | Sternum Strap | Y |
| Inside |
| 17in | Laptop | 16in |
| 4 | Main Compartments | 4 |
| Y | Organizer | Y |
| 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>X-Pac VX21</td><td>Baida Nylon</td></tr></tbody></table>

## [Bellroy Transit Backpack](https://onebag.travel/carryon/vapzzt5rje/bellroy-transit-backpack/)

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

![Front facing view of the Bellroy Transit Backpack](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1617405369/carryons/Bellroy_Transit_Backpack_bvl82c.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>1.1 kg</td></tr><tr><td>Dimensions</td><td>53×36×19 cm</td></tr><tr><td>Airline fit</td><td>81%</td></tr><tr><td>Price</td><td>$250</td></tr></tbody></table>

## Key differences between the Tortuga Outbreaker Backpack 45L and Bellroy Transit Backpack

-   **Passport pocket:** Front on the Tortuga Outbreaker Backpack 45L; Top on the Bellroy Transit Backpack.
-   **Hip belt:** Removable on the Tortuga Outbreaker Backpack 45L; No on the Bellroy Transit Backpack.
-   **Laptop sleeve:** 17in on the Tortuga Outbreaker Backpack 45L; 16in on the Bellroy Transit Backpack.

Both have: backpack straps, sternum strap, built-in organizer, 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. 85 accept both. 0 accept only the Tortuga Outbreaker Backpack 45L, and 68 accept only the Bellroy Transit Backpack.

### Only the Bellroy Transit Backpack fits

Aer Lingus, Aeroflot, Aeromexico, Air Baltic, Air Canada, Air Caraibes, Air China, Air Malta, Air Serbia, Air Seychelles, All Nipon Airways, ANA, Asiana Airlines, ATA Airlines, Austrian, Azerbaijan Airlines, Blue Air, Brussels Airlines, Bulgaria Air, Caribbean Airlines, China Eastern, Croatia Air, Czech Airlines, Emirates Airlines, Enter Air, Ethiopian Airlines, Eurowings, Fiji Airways, Flair Air, Gol Linhas Aereas, Iberia, Icelandair, Interjet, Iran Air, Japan Airlines, Juneyao Airlines, Liat Airlines, LOT Polish, Lufthansa, Luxair, Mahan Air, Meridiana Fly, Mesa Airlines, Nordwind Airlines, Norwegian, Pakistan International, Peach, Porter Airlines, Royal Brunei Airlines, Ryanair, S7, SAS Scandinavian, Scoot, Shandong Airlines, Shenzhen Airlines, Sun Express, Swiss Int'l Air Lines, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), Tiger Airways, TUI, Turkish Airlines, Ukraine International, VIM Airlines (Closed), Volotea, WestJet, Xiamen.

## Tortuga Outbreaker Backpack 45L vs. Bellroy Transit Backpack: which should you pack?

The **Tortuga Outbreaker Backpack 45L** carries 17L more than the **Bellroy Transit Backpack** (45L vs. 28L), while the **Bellroy Transit Backpack** is the lighter pack at 1.1kg (vs. 2.3kg). For carry-on flexibility, the **Bellroy Transit Backpack** fits 81% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Tortuga Outbreaker Backpack 45L; if you want to travel lighter, the Bellroy Transit Backpack is the better call.