Exped Summit Lite 25 vs. Deuter Walker 20

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

Exped Summit Lite 25

Front facing view of the Exped Summit Lite 25
Capacity25 L
Weight0.33 kg
Dimensions53×28×20 cm
Airline fit89%
Price$62

Feature by feature

Exped Summit Lite 25FeatureDeuter Walker 20
Storage
N Compression N
None Expanded Capacity None
4 Opening 4
N Passport N
N Passthrough N
Carry
Y Backpack Y
removable Hip Belt removable
Y Sternum Strap Y
Inside
N Laptop 15in
1 Main Compartments 1
N Organizer
Outside
× Hard Shell ×
N Rain-fly optional
2 Water Bottle Holder 2
Y Water Resistant Y
Material
100 D Triple ripstop nylon, PU coated, 2'000 mm water column600D PES, 300D PES Ripstop

Deuter Walker 20

Front facing view of the Deuter Walker 20
Capacity20 L
Weight0.7 kg
Dimensions48×28×21 cm
Airline fit75%
Price$85

Key differences between the Exped Summit Lite 25 and Deuter Walker 20

Both have: backpack straps, hip belt, sternum strap, 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. 135 accept both. 33 accept only the Exped Summit Lite 25, and 6 accept only the Deuter Walker 20.

Only the Exped Summit Lite 25 fits

Air Baltic, Air China, Air Malta, Air Serbia, Air Seychelles, Asiana Airlines, ATA Airlines, Blue Air, Bulgaria Air, China Eastern, Emirates Airlines, Enter Air, flybe, Icelandair, InselAir, Juneyao Airlines, Luxair, Meridiana Fly, Nordwind Airlines, Royal Brunei Airlines, Ryanair, S7, Shandong Airlines, Shenzhen Airlines, Sun Express, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), TUI, Ukraine International, VIM Airlines (Closed), Volotea, Xiamen.

Only the Deuter Walker 20 fits

Etihad Airways, Oman Air, Qatar Airways, Regional Express, Royal Jordanian, Virgin Australia.

Exped Summit Lite 25 vs. Deuter Walker 20: which should you pack?

The Exped Summit Lite 25 carries 5L more than the Deuter Walker 20 (25L vs. 20L), while the Exped Summit Lite 25 is the lighter pack at 0.33kg (vs. 0.7kg). For carry-on flexibility, the Exped Summit Lite 25 fits 89% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Exped Summit Lite 25; if you want to travel lighter, the Exped Summit Lite 25 is the better call.