Alpaka Gear Elements Travel Backpack vs. Peak Design Travel Backpack 45L

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

Alpaka Gear Elements Travel Backpack

Front facing view of the Alpaka Gear Elements Travel Backpack
Capacity35 L
Weight1.6 kg
Dimensions52×31×20 cm
Airline fit88%
Price$260

Feature by feature

Alpaka Gear Elements Travel BackpackFeaturePeak Design Travel Backpack 45L
Storage
2 Compression 1
None Expanded Capacity 45L
1 Opening 1
front, side Passport top
Y Passthrough Y
Carry
Y Backpack hideable
hideable Hip Belt hideable
removable Sternum Strap removable
Inside
16in Laptop 16in
3 Main Compartments 7
Y Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
1, side Water Bottle Holder 2, side
Y Water Resistant Y
Material
X-Pac VX42 in Black Axoflux Recycled Fabric (POLY 600D) in Black, Army Green & Blueshell: Weatherproof 400D nylon canvas bottom: 900D nylon weatherproof zippers

Peak Design Travel Backpack 45L

Front facing view of the Peak Design Travel Backpack 45L
Capacity35 L
Weight2.1 kg
Dimensions56×33×24 cm
Airline fit26%
Price$300

Key differences between the Alpaka Gear Elements Travel Backpack and Peak Design Travel Backpack 45L

Both have: luggage passthrough, hip belt, sternum strap, laptop sleeve, built-in organizer, water resistant.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 49 accept both. 118 accept only the Alpaka Gear Elements Travel Backpack, and 0 accept only the Peak Design Travel Backpack 45L.

Only the Alpaka Gear Elements Travel Backpack fits

Aer Lingus, Aeroflot, Aerolineas Argentinas, Aeromexico, Air Asia, Air Baltic, Air Canada, Air Caraibes, Air China, Air France, Air India, Air Macau, Air Malta, Air Mauritius, Air Serbia, Air Seychelles, Air Wisconsin, AirAsiaX, Alaska Airlines, All Nipon Airways, Allegiant Air, American Airlines, ANA, Asiana Airlines, ATA Airlines, Austrian, Avianca , Azerbaijan Airlines, Bahamasair, Bangkok Airways, Biman Bangladesh, Blue Air, Boliviana de Aviacion, Brussels Airlines, Bulgaria Air, Cambodia Angkor Air, Cathay Pacific, Cayman Airways, Cebu Pacific, China Airlines, China Eastern, CommutAir, Croatia Air, Czech Airlines, Delta Airlines, Dragonair, Emirates Airlines, Enter Air, Ethiopian Airlines, Eurowings, EVA Air, Fiji Airways, Flair Air, flybe, Garuda Indonesia, Gol Linhas Aereas, Hawaiian Airlines, Hong Kong Airlines, Iberia, Icelandair, Indigo, InselAir, Interjet, Iran Air, Japan Airlines, Jet Airways, jetBlue Airways, Jetstar Airways, Jetstar Asia, Juneyao Airlines, Kenya Airways, KLM, Kulula, LATAM , Liat Airlines, LOT Polish, Lufthansa, Luxair, Mahan Air, Malaysia Airlines, Mango, Meridiana Fly, Mesa Airlines, Nordwind Airlines, Norwegian, 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, Tianjin Airlines (A320 & E190), Tiger Airways, Trans States, TUI, Turkish Airlines, Ukraine International, United Airlines, Vietnam Airlines, VIM Airlines (Closed), Virgin Atlantic, Volotea, WestJet, Xiamen.

Alpaka Gear Elements Travel Backpack vs. Peak Design Travel Backpack 45L: which should you pack?

The Alpaka Gear Elements Travel Backpack carries the same capacity as the Peak Design Travel Backpack 45L (35L vs. 35L), while the Alpaka Gear Elements Travel Backpack is the lighter pack at 1.6kg (vs. 2.1kg). For carry-on flexibility, the Alpaka Gear Elements Travel Backpack fits 88% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Alpaka Gear Elements Travel Backpack; if you want to travel lighter, the Alpaka Gear Elements Travel Backpack is the better call.