Boundary Supply Prima vs. Peak Design Everyday Backpack 30L

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

Boundary Supply Prima

Front facing view of the Boundary Supply Prima
Capacity30 L
Weight1.9 kg
Dimensions53×31×18 cm
Airline fit88%
Price$319

Feature by feature

Boundary Supply PrimaFeaturePeak Design Everyday Backpack 30L
Storage
2 Compression 2
None Expanded Capacity None
3 Opening 0
top Passport top
Y Passthrough Y
Carry
Y Backpack Y
removable Hip Belt N
removable Sternum Strap removable
Inside
16in Laptop 16in
0 Main Compartments 3
Y Organizer N
Outside
× Hard Shell ×
N Rain-fly N
1, side Water Bottle Holder 2, side
Y Water Resistant Y
Material
500D Kodra Nylon YKK StormGuardX-Pac VX21

Peak Design Everyday Backpack 30L

Front facing view of the Peak Design Everyday Backpack 30L
Capacity30 L
Weight1.8 kg
Dimensions49×33×27 cm
Airline fit14%
Price$300

Key differences between the Boundary Supply Prima and Peak Design Everyday Backpack 30L

Both have: compression straps, passport pocket, luggage passthrough, backpack straps, sternum strap, 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. 27 accept both. 140 accept only the Boundary Supply Prima, and 0 accept only the Peak Design Everyday Backpack 30L.

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, Copa Airlines, Czech Airlines, Delta Airlines, Dragonair, EL AL, Emirates Airlines, Enter Air, Ethiopian Airlines, Eurowings, EVA Air, Fiji Airways, Finnair, Flair Air, flybe, Frontier Airlines, 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, PenAir, 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, Southwest Airlines, Spirit Airlines, 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. Peak Design Everyday Backpack 30L: which should you pack?

The Boundary Supply Prima carries the same capacity as the Peak Design Everyday Backpack 30L (30L vs. 30L), while the Peak Design Everyday Backpack 30L is the lighter pack at 1.8kg (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 Peak Design Everyday Backpack 30L is the better call.