Bellroy Classic Backpack Plus vs. Boundary Supply Rennen X-Pac Daypack

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

Bellroy Classic Backpack Plus

Front facing view of the Bellroy Classic Backpack Plus
Capacity22 L
Weight1 kg
Dimensions52×30×21 cm
Airline fit71%
Price$179

Feature by feature

Bellroy Classic Backpack PlusFeatureBoundary Supply Rennen X-Pac Daypack
Storage
N Compression N
None Expanded Capacity None
4 Opening 4
Y Passport N
N Passthrough N
Carry
Y Backpack Y
N Hip Belt N
N Sternum Strap N
Inside
15in Laptop 15in
1 Main Compartments 1
N Organizer N
Outside
× Hard Shell ×
N Rain-fly N
N Water Bottle Holder 1
Y Water Resistant Y
Material
Venture-weave polyester and leatherCustom VX21 X-Pac material

Boundary Supply Rennen X-Pac Daypack

Front facing view of the Boundary Supply Rennen X-Pac Daypack
Capacity22 L
Weight0.9 kg
Dimensions46×28×18 cm
Airline fit95%
Price$170

Key differences between the Bellroy Classic Backpack Plus and Boundary Supply Rennen X-Pac Daypack

Both have: backpack straps, 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. 134 accept both. 0 accept only the Bellroy Classic Backpack Plus, and 45 accept only the Boundary Supply Rennen X-Pac Daypack.

Only the Boundary Supply Rennen X-Pac Daypack fits

Air Baltic, Air China, Air Malta, Air Niugini, Air Serbia, Air Seychelles, American Eagle, Asiana Airlines, ATA Airlines, Belavia, Blue Air, Bulgaria Air, China Eastern, easyJet, Emirates Airlines, Enter Air, Etihad Airways, flybe, Great Lakes Airlines, Icelandair, InselAir, Juneyao Airlines, Luxair, Meridiana Fly, Nordwind Airlines, Oman Air, Qatar Airways, Ravn Alaska, Regional Express, Royal Brunei Airlines, Royal Jordanian, Ryanair, S7, Shandong Airlines, Shenzhen Airlines, Sun Express, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), TUI, Ukraine International, VIM Airlines (Closed), Virgin Australia, Volotea, Xiamen.

When you’re looking at mid-sized carry-on backpacks like the Bellroy Classic Backpack Plus and the Boundary Supply Rennen X-Pac Daypack, the little things make a big difference. They’re neck-and-neck in some ways—both offer 22 liters of storage capacity and accommodate 15 inch laptops. But there are areas where they diverge.

Let’s break down the main contrasts:

Now, let’s dig deeper. The Bellroy Classic is known for its exquisitely designed compartments, thanks to its venture-weave polyester and leather construction. This bag is recommended for both students and professionals, with high praises from reviewers for its fine workmanship and practical design. A favorite among many users is the internal organization, allowing you to segregate items neatly and securely during travel.

On the other hand, the Boundary Supply Rennen X-Pac Daypack features a strong and weather-resistant Custom VX21 X-Pac fabric, which is designed to resist tearing and provide waterproofing. Users love its minimalist design and the ease of attaching compatible accessories to the bag. Considered as a straightforward option and a reliable bag for day-to-day life, this daypack serves the user well without much fuss. It's also noted to be a more affordable choice than many of its competitors, making it appealing for the practical and budget-conscious consumer. In short, both backpacks have their respective merits but it's up to you to decide which suits your carry requirement best.