Boundary Supply -- Prima System Modular Travel Backpack vs. Briggs & Riley Large Cargo Backpack

Key differences between the Boundary Supply -- Prima System Modular Travel Backpack and Briggs & Riley Large Cargo Backpack

• Compression straps: Yes on the Boundary Supply -- Prima System Modular Travel Backpack; No on the Briggs & Riley Large Cargo Backpack.
• Opening: Other on the Boundary Supply -- Prima System Modular Travel Backpack; Top zip on the Briggs & Riley Large Cargo Backpack.
• Hip belt: Removable on the Boundary Supply -- Prima System Modular Travel Backpack; No on the Briggs & Riley Large Cargo Backpack.
• Sternum strap: Removable on the Boundary Supply -- Prima System Modular Travel Backpack; No on the Briggs & Riley Large Cargo Backpack.
• Main compartments: 1 on the Boundary Supply -- Prima System Modular Travel Backpack; 2 on the Briggs & Riley Large Cargo 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. 85 accept both. 89 accept only the Boundary Supply -- Prima System Modular Travel Backpack, and 0 accept only the Briggs & Riley Large Cargo Backpack.

Only the Boundary Supply -- Prima System Modular Travel Backpack fits

Aerolineas Argentinas, Air Asia, Air Baltic, Air China, Air France, Air India, Air Macau, Air Malta, Air Mauritius, Air Niugini, Air Serbia, Air Seychelles, Air Wisconsin, AirAsiaX, Alaska Airlines, Allegiant Air, American Airlines, Asiana Airlines, ATA Airlines, Avianca , Bahamasair, Bangkok Airways, Belavia, Biman Bangladesh, Blue Air, Boliviana de Aviacion, Bulgaria Air, Cambodia Angkor Air, Cathay Pacific, Cayman Airways, Cebu Pacific, China Airlines, China Eastern, CommutAir, Conviasa, Copa Airlines, Delta Airlines, Dragonair, Emirates Airlines, Enter Air, EVA Air, flybe, Garuda Indonesia, Great Lakes Airlines, Hawaiian Airlines, Hong Kong Airlines, Icelandair, Indigo, InselAir, Jet Airways, jetBlue Airways, Jetstar Airways, Jetstar Asia, Juneyao Airlines, Kenya Airways, KLM, Kulula, LATAM , Liat Airlines, Luxair, Malaysia Airlines, Mango, Meridiana Fly, Nordwind Airlines, Qantas Airways, Qatar Airways, Republic Airways, Royal Brunei Airlines, Ryanair, S7, Shandong Airlines, Shenzhen Airlines, Sky Airlines, Skywest, Inc., South African Airways, SriLankan Airlines, Sun Express, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), Trans States, TUI, Ukraine International, United Airlines, Vietnam Airlines, VIM Airlines (Closed), Virgin Atlantic, Volotea, Xiamen.