ILE Apex XL vs. Peak Design Outdoor Backpack 45L

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

ILE Apex XL

by ILE
Front facing view of the ILE Apex XL
Capacity18 L
Weight0 kg
Dimensions51×28×13 cm
Airline fit90%
Price$165

Feature by feature

ILE Apex XLFeaturePeak Design Outdoor Backpack 45L
Storage
N Compression N
None Expanded Capacity 45L
2 Opening 1
N Passport N
N Passthrough N
Carry
Y Backpack Y
N Hip Belt removable
removable Sternum Strap removable
Inside
16in Laptop 16in
1 Main Compartments 1
N Organizer N
Outside
× Hard Shell ×
N Rain-fly N
N Water Bottle Holder 4, side
Y Water Resistant Y
Material
Cordura, XPAC Sailcloth, or Waxed CanvasUltralight Terra Shell™ 210D ripstop

Peak Design Outdoor Backpack 45L

Front facing view of the Peak Design Outdoor Backpack 45L
Capacity35 L
Weight1.6 kg
Dimensions56×31×17 cm
Airline fit47%
Price$330

Key differences between the ILE Apex XL and Peak Design Outdoor Backpack 45L

Both have: 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. 88 accept both. 82 accept only the ILE Apex XL, and 0 accept only the Peak Design Outdoor Backpack 45L.

Only the ILE Apex XL fits

Aer Lingus, Aeroflot, Aerolineas Argentinas, Aeromexico, Air Baltic, Air Canada, Air Caraibes, Air China, Air France, Air India, Air Malta, Air Mauritius, Air Serbia, Air Seychelles, All Nipon Airways, ANA, Asiana Airlines, ATA Airlines, Austrian, Azerbaijan Airlines, Blue Air, Boliviana de Aviacion, Brussels Airlines, Bulgaria Air, China Eastern, Czech Airlines, Emirates Airlines, Enter Air, Ethiopian Airlines, Eurowings, Fiji Airways, Flair Air, flybe, Gol Linhas Aereas, Great Lakes Airlines, Iberia, Icelandair, Indigo, InselAir, Interjet, Iran Air, Japan Airlines, Jet Airways, Juneyao Airlines, Kenya Airways, KLM, LATAM , Liat Airlines, LOT Polish, Lufthansa, Luxair, Mahan Air, Meridiana Fly, Mesa Airlines, Nordwind Airlines, Norwegian, Oman Air, Pakistan International, Peach, Porter Airlines, Royal Brunei Airlines, Royal Jordanian, Ryanair, S7, SAS Scandinavian, Scoot, Shandong Airlines, Shenzhen Airlines, Sky Airlines, Sun Express, Swiss Int'l Air Lines, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), Tiger Airways, TUI, Turkish Airlines, Ukraine International, VIM Airlines (Closed), Volotea, WestJet, Xiamen.

ILE Apex XL vs. Peak Design Outdoor Backpack 45L: which should you pack?

The Peak Design Outdoor Backpack 45L carries 17L more than the ILE Apex XL (18L vs. 35L), and the two are closely matched on weight. For carry-on flexibility, the ILE Apex XL fits 90% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Peak Design Outdoor Backpack 45L; if you want to travel lighter, the Peak Design Outdoor Backpack 45L is the better call.