---
url: "https://onebag.travel/compare/dm0uuxdv6q/boundary-supply-prima/vb62zyxw6l/tom-bihn-addax-26/"
title: "Boundary Supply Prima vs Tom Bihn Addax 26 - One Bag Travel"
description: "Boundary Supply Prima vs Tom Bihn Addax 26: 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/vb62zyxw6l/tom-bihn-addax-26/"
---
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3.  Boundary Supply Prima vs. Tom Bihn Addax 26

# Boundary Supply Prima vs. Tom Bihn Addax 26

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 | Tom Bihn Addax 26 |
| --- | --- | --- |
| Storage |
| 2 | Compression | N |
| None | Expanded Capacity | None |
| 3 | Opening | 2 |
| top | Passport | front |
| Y | Passthrough | Y |
| Carry |
| Y | Backpack | Y |
| removable | Hip Belt | removable |
| removable | Sternum Strap | removable |
| Inside |
| 16in | Laptop | 15in |
| 0 | Main Compartments | 4 |
| 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>X-Pac®: 1110g / 2lb 7oz Ballistic: 1200g / 2lb 10oz</td></tr></tbody></table>

## [Tom Bihn Addax 26](https://onebag.travel/carryon/vb62zyxw6l/tom-bihn-addax-26/)

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

![Front facing view of the Tom Bihn Addax 26](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990716/carryons/tom-bihn-addax-26-vb62zyxw6l.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>26 L</td></tr><tr><td>Weight</td><td>1.1 kg</td></tr><tr><td>Dimensions</td><td>47×33×26 cm</td></tr><tr><td>Airline fit</td><td>17%</td></tr><tr><td>Price</td><td>$305</td></tr></tbody></table>

## Key differences between the Boundary Supply Prima and Tom Bihn Addax 26

-   **Compression straps:** 2 on the Boundary Supply Prima; No on the Tom Bihn Addax 26.
-   **Opening:** Top flap on the Boundary Supply Prima; Rolltop on the Tom Bihn Addax 26.
-   **Passport pocket:** Top on the Boundary Supply Prima; Front on the Tom Bihn Addax 26.
-   **Laptop sleeve:** 16in on the Boundary Supply Prima; 15in on the Tom Bihn Addax 26.

Both have: luggage passthrough, backpack straps, hip belt, 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. 32 accept both. 135 accept only the Boundary Supply Prima, and 0 accept only the Tom Bihn Addax 26.

### Only the Boundary Supply Prima fits

Aegean Airlines, Aer Lingus, Aeroflot, Aerolineas Argentinas, Aeromexico, Air Asia, Air Astana, Air Baltic, Air Canada, Air Caraibes, Air China, Air France, Air India, Air Macau, Air Malta, Air Mauritius, Air Nostrum, Air Serbia, Air Seychelles, Air Wisconsin, AirAsiaX, Alaska Airlines, All Nipon Airways, Allegiant Air, American Airlines, ANA, Asiana Airlines, ATA Airlines, Atlas Global, Austrian, Avianca , Azerbaijan Airlines, Bahamasair, Bangkok Airways, Biman Bangladesh, Blue Air, Boliviana de Aviacion, British Airways, Brussels Airlines, Bulgaria Air, Cambodia Angkor Air, Cathay Pacific, Cayman Airways, Cebu Pacific, China Airlines, China Eastern, CommutAir, Conviasa, Czech Airlines, Delta Airlines, Dragonair, EL AL, Emirates Airlines, Enter Air, Ethiopian Airlines, Eurowings, EVA Air, Fiji Airways, Finnair, Flair Air, flybe, Garuda Indonesia, Gol Linhas Aereas, Hawaiian Airlines, Hong Kong Airlines, Iberia, Icelandair, Indigo, InselAir, Interjet, Iran Air, Iran Aseman Air, Japan Airlines, Jet Airways, Jet2, jetBlue Airways, Jetstar Airways, Jetstar Asia, Juneyao Airlines, Kenya Airways, KLM, Kulula, Kuwait Air, LATAM , Liat Airlines, LOT Polish, Lufthansa, Luxair, Mahan Air, Malaysia Airlines, Mango, Meridiana Fly, Mesa Airlines, Middle East Airlines, Monarch Airlines, Nordwind Airlines, Norwegian, Onur Air, Pakistan International, Peach, Porter Airlines, Qantas Airways, Republic Airways, Royal Brunei Airlines, Ryanair, S7, SAS Scandinavian, Scoot, Shandong Airlines, Shenzhen Airlines, Sky Airlines, Skywest, Inc., South African Airways, SriLankan Airlines, Sun Express, Swiss Int'l Air Lines, TAP Air Portugal, TAROM, Thai Airways, Tianjin Airlines (A320 & E190), Tiger Airways, Trans States, Travel Service Airlines, TUI, Turkish Airlines, Ukraine International, United Airlines, Uzbekistan Air, Vietnam Airlines, VIM Airlines (Closed), Virgin Atlantic, Volotea, WestJet, WOW Airlines, Xiamen.

## Boundary Supply Prima vs. Tom Bihn Addax 26: which should you pack?

The **Boundary Supply Prima** carries 4L more than the **Tom Bihn Addax 26** (30L vs. 26L), while the **Tom Bihn Addax 26** is the lighter pack at 1.1kg (vs. 1.9kg). For carry-on flexibility, the **Boundary Supply Prima** fits 88% 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 Tom Bihn Addax 26 is the better call.