---
url: "https://onebag.travel/compare/dm0uuxdv6q/boundary-supply-prima/v15adbh2zw/alpaka-gear-traverse-backpack/"
title: "Boundary Supply Prima vs Alpaka Gear Traverse Backpack"
description: "Boundary Supply Prima vs Alpaka Gear Traverse Backpack: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/dm0uuxdv6q/boundary-supply-prima/v15adbh2zw/alpaka-gear-traverse-backpack/"
---
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2.  [Carry-On Travel Backpacks](https://onebag.travel/carryons/)
3.  Boundary Supply Prima vs. Alpaka Gear Traverse Backpack

# Boundary Supply Prima vs. Alpaka Gear Traverse Backpack

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

## [Boundary Supply Prima](https://onebag.travel/carryon/dm0uuxdv6q/boundary-supply-prima/)

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

![Front facing view of the Boundary Supply Prima](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1600731473/carryons/boundarysupplyprima_aldknt.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>30 L</td></tr><tr><td>Weight</td><td>1.9 kg</td></tr><tr><td>Dimensions</td><td>53×31×18 cm</td></tr><tr><td>Airline fit</td><td>88%</td></tr><tr><td>Price</td><td>$319</td></tr></tbody></table>

## Feature by feature

| Boundary Supply Prima | Feature | Alpaka Gear Traverse Backpack |
| --- | --- | --- |
| Storage |
| 2 | Compression | N |
| None | Expanded Capacity | None |
| 3 | Opening | 1 |
| top | Passport | top |
| Y | Passthrough | Y |
| Carry |
| Y | Backpack | Y |
| removable | Hip Belt | N |
| removable | Sternum Strap | Y |
| Inside |
| 16in | Laptop | 16in |
| 0 | Main Compartments | 5 |
| Y | 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>500D Kodra Nylon YKK StormGuard</td><td>Axoflux 400D ripstop nylon</td></tr></tbody></table>

## [Alpaka Gear Traverse Backpack](https://onebag.travel/carryon/v15adbh2zw/alpaka-gear-traverse-backpack/)

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

![Front facing view of the Alpaka Gear Traverse Backpack](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990329/carryons/alpaka-gear-traverse-backpack-v15adbh2zw.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>30 L</td></tr><tr><td>Weight</td><td>1.5 kg</td></tr><tr><td>Dimensions</td><td>47×28×18 cm</td></tr><tr><td>Airline fit</td><td>93%</td></tr><tr><td>Price</td><td>$200</td></tr></tbody></table>

## Key differences between the Boundary Supply Prima and Alpaka Gear Traverse Backpack

-   **Compression straps:** 2 on the Boundary Supply Prima; No on the Alpaka Gear Traverse Backpack.
-   **Opening:** Top flap on the Boundary Supply Prima; Clamshell on the Alpaka Gear Traverse Backpack.
-   **Hip belt:** Removable on the Boundary Supply Prima; No on the Alpaka Gear Traverse Backpack.
-   **Sternum strap:** Removable on the Boundary Supply Prima; Yes on the Alpaka Gear Traverse Backpack.

Both have: passport pocket, luggage passthrough, backpack straps, laptop sleeve, 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. 167 accept both. 0 accept only the Boundary Supply Prima, and 9 accept only the Alpaka Gear Traverse Backpack.

### Only the Alpaka Gear Traverse Backpack fits

Air Niugini, Belavia, Etihad Airways, Great Lakes Airlines, Oman Air, Qatar Airways, Regional Express, Royal Jordanian, Virgin Australia.

## Boundary Supply Prima vs. Alpaka Gear Traverse Backpack: which should you pack?

The **Boundary Supply Prima** carries the same capacity as the **Alpaka Gear Traverse Backpack** (30L vs. 30L), while the **Alpaka Gear Traverse Backpack** is the lighter pack at 1.5kg (vs. 1.9kg). For carry-on flexibility, the **Alpaka Gear Traverse Backpack** fits 93% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Boundary Supply Prima; if you want to travel lighter, the Alpaka Gear Traverse Backpack is the better call.