---
url: "https://onebag.travel/compare/c0au43xw52/boundary-supply-prima-system-modular-travel-backpack/jlvziqwx4n/pacsafe-venturesafe-25l-g3-anti-theft-backpack/"
title: "Boundary Supply -- Prima System Modular Travel Backpack vs Pacsafe Venturesafe 25L G3 Anti-Theft Backpack"
description: "Boundary Supply -- Prima System Modular Travel Backpack vs Pacsafe Venturesafe 25L G3 Anti-Theft Backpack: capacity, weight, dimensions and how many airlines…"
source: "https://onebag.travel/compare/c0au43xw52/boundary-supply-prima-system-modular-travel-backpack/jlvziqwx4n/pacsafe-venturesafe-25l-g3-anti-theft-backpack/"
---
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2.  [Carry-On Travel Backpacks](https://onebag.travel/carryons/)
3.  Boundary Supply -- Prima System Modular Travel Backpack vs. Pacsafe Venturesafe 25L G3 Anti-Theft Backpack

# Boundary Supply -- Prima System Modular Travel Backpack vs. Pacsafe Venturesafe 25L G3 Anti-Theft Backpack

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

## [Boundary Supply -- Prima System Modular Travel Backpack](https://onebag.travel/carryon/c0au43xw52/boundary-supply-prima-system-modular-travel-backpack/)

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

![Front facing view of the Boundary Supply -- Prima System Modular Travel Backpack](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1619698435/carryons/Boundary_Supply_Prima_System_jsyefe.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>22 L</td></tr><tr><td>Weight</td><td>1.4 kg</td></tr><tr><td>Dimensions</td><td>49×28×13 cm</td></tr><tr><td>Airline fit</td><td>92%</td></tr><tr><td>Price</td><td>$268</td></tr></tbody></table>

## Feature by feature

| Boundary Supply -- Prima System Modular Travel Backpack | Feature | Pacsafe Venturesafe 25L G3 Anti-Theft Backpack |
| --- | --- | --- |
| Storage |
| Y | Compression | Y |
| 30L | Expanded Capacity | None |
| 0 | Opening | 4 |
| Y | Passport | Y |
| Y | Passthrough | N |
| Carry |
| Y | Backpack | Y |
| removable | Hip Belt | removable |
| removable | Sternum Strap | Y |
| Inside |
| 17in | Laptop | 16in |
| 1 | Main Compartments | 1 |
| Y | Organizer | Y |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | N |
| 1 | Water Bottle Holder | 2 |
| Y | Water Resistant | Y |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>Nywool, Nylon, Kodra Nylon</td><td>100D Nylon Geo diamond ripstop, 200D Polyester</td></tr></tbody></table>

## [Pacsafe Venturesafe 25L G3 Anti-Theft Backpack](https://onebag.travel/carryon/jlvziqwx4n/pacsafe-venturesafe-25l-g3-anti-theft-backpack/)

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

![Front facing view of the Pacsafe Venturesafe 25L G3 Anti-Theft Backpack](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1632291720/carryons/Pacsafe_Venturesafe_25L_G3_Anti-Theft_Backpack_lzpdug.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>25 L</td></tr><tr><td>Weight</td><td>0.76 kg</td></tr><tr><td>Dimensions</td><td>49×28×15.5 cm</td></tr><tr><td>Airline fit</td><td>92%</td></tr><tr><td>Price</td><td>$120</td></tr></tbody></table>

## Key differences between the Boundary Supply -- Prima System Modular Travel Backpack and Pacsafe Venturesafe 25L G3 Anti-Theft Backpack

-   **Opening:** Other on the Boundary Supply -- Prima System Modular Travel Backpack; Top zip on the Pacsafe Venturesafe 25L G3 Anti-Theft Backpack.
-   **Luggage passthrough:** Yes on the Boundary Supply -- Prima System Modular Travel Backpack; No on the Pacsafe Venturesafe 25L G3 Anti-Theft Backpack.
-   **Sternum strap:** Removable on the Boundary Supply -- Prima System Modular Travel Backpack; Yes on the Pacsafe Venturesafe 25L G3 Anti-Theft Backpack.
-   **Laptop sleeve:** 17in on the Boundary Supply -- Prima System Modular Travel Backpack; 16in on the Pacsafe Venturesafe 25L G3 Anti-Theft Backpack.
-   **Water bottle pockets:** 1 on the Boundary Supply -- Prima System Modular Travel Backpack; 2 on the Pacsafe Venturesafe 25L G3 Anti-Theft Backpack.

Both have: compression straps, passport pocket, backpack straps, hip belt, built-in organizer, water resistant.

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

We checked both bags against the carry-on size limits of 189 airlines. 174 accept both. Every airline that takes one takes the other.

## Boundary Supply -- Prima System Modular Travel Backpack vs. Pacsafe Venturesafe 25L G3 Anti-Theft Backpack: which should you pack?

The **Pacsafe Venturesafe 25L G3 Anti-Theft Backpack** carries 3L more than the **Boundary Supply -- Prima System Modular Travel Backpack** (22L vs. 25L), while the **Pacsafe Venturesafe 25L G3 Anti-Theft Backpack** is the lighter pack at 0.76kg (vs. 1.4kg). For carry-on flexibility, the **Boundary Supply -- Prima System Modular Travel Backpack** fits 92% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Pacsafe Venturesafe 25L G3 Anti-Theft Backpack; if you want to travel lighter, the Pacsafe Venturesafe 25L G3 Anti-Theft Backpack is the better call.