---
url: "https://onebag.travel/compare/petrgqkg3w/tortuga-expandable-backpack/wbguakrqwy/ministry-of-supply-boston-one/"
title: "Tortuga Expandable Backpack vs Ministry of Supply Boston One"
description: "Tortuga Expandable Backpack vs Ministry of Supply Boston One: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/petrgqkg3w/tortuga-expandable-backpack/wbguakrqwy/ministry-of-supply-boston-one/"
---
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3.  Tortuga Expandable Backpack vs. Ministry of Supply Boston One

# Tortuga Expandable Backpack vs. Ministry of Supply Boston One

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

## [Tortuga Expandable Backpack](https://onebag.travel/carryon/petrgqkg3w/tortuga-expandable-backpack/)

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

![Front facing view of the Tortuga Expandable Backpack](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990454/carryons/tortuga-expandable-backpack-petrgqkg3w.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>27 L</td></tr><tr><td>Weight</td><td>1.6 kg</td></tr><tr><td>Dimensions</td><td>49×32×18 cm</td></tr><tr><td>Airline fit</td><td>91%</td></tr><tr><td>Price</td><td>$250</td></tr></tbody></table>

## Feature by feature

| Tortuga Expandable Backpack | Feature | Ministry of Supply Boston One |
| --- | --- | --- |
| Storage |
| 4 | Compression | N |
| None | Expanded Capacity | None |
| 1 | Opening | 1 |
| top, front | Passport | top |
| Y | Passthrough | Y |
| Carry |
| Y, hideable | Backpack | hideable |
| Y, removable | Hip Belt | N |
| Y | Sternum Strap | Y |
| Inside |
| 16in | Laptop | 16in |
| 4 | Main Compartments | 4 |
| N | Organizer | N |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | N |
| 1, side | Water Bottle Holder | 1, internal |
| Y | Water Resistant | Y |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>630D CORDURA</td><td>900D 100% polyester shell</td></tr></tbody></table>

## [Ministry of Supply Boston One](https://onebag.travel/carryon/wbguakrqwy/ministry-of-supply-boston-one/)

by [Ministry of Supply](https://onebag.travel/carryons/?brands=Ministry of Supply)

![Front facing view of the Ministry of Supply Boston One](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990385/carryons/ministry-of-supply-boston-one-wbguakrqwy.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>47×30×20 cm</td></tr><tr><td>Airline fit</td><td>93%</td></tr><tr><td>Price</td><td>$250</td></tr></tbody></table>

## Key differences between the Tortuga Expandable Backpack and Ministry of Supply Boston One

-   **Compression straps:** 4 on the Tortuga Expandable Backpack; No on the Ministry of Supply Boston One.
-   **Passport pocket:** Top, front on the Tortuga Expandable Backpack; Top on the Ministry of Supply Boston One.
-   **Backpack straps:** Y, hideable on the Tortuga Expandable Backpack; Hideable on the Ministry of Supply Boston One.
-   **Hip belt:** Y, removable on the Tortuga Expandable Backpack; No on the Ministry of Supply Boston One.
-   **Water bottle pockets:** 1, side on the Tortuga Expandable Backpack; 1, internal on the Ministry of Supply Boston One.

Both have: luggage passthrough, sternum strap, laptop sleeve, water resistant.

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

We checked both bags against the carry-on size limits of 189 airlines. 172 accept both. 0 accept only the Tortuga Expandable Backpack, and 3 accept only the Ministry of Supply Boston One.

### Only the Ministry of Supply Boston One fits

Air Niugini, Regional Express, Virgin Australia.

## Tortuga Expandable Backpack vs. Ministry of Supply Boston One: which should you pack?

The **Ministry of Supply Boston One** carries 1L more than the **Tortuga Expandable Backpack** (27L vs. 28L), while the **Ministry of Supply Boston One** is the lighter pack at 1.1kg (vs. 1.6kg). For carry-on flexibility, the **Ministry of Supply Boston One** fits 93% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Ministry of Supply Boston One; if you want to travel lighter, the Ministry of Supply Boston One is the better call.