OPPOSETHIS Ark - 2020 vs. MixedWorks Swift

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

OPPOSETHIS Ark - 2020

Front facing view of the OPPOSETHIS Ark - 2020
Capacity25 L
Weight0.95 kg
Dimensions49×30×17 cm
Airline fit92%
Price$244

Feature by feature

OPPOSETHIS Ark - 2020FeatureMixedWorks Swift
Storage
N Compression N
None Expanded Capacity None
1 Opening 4
N Passport N
N Passthrough N
Carry
N Backpack Y
N Hip Belt N
Y Sternum Strap Y
Inside
16in Laptop 15in
1 Main Compartments 1
Y Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
1 Water Bottle Holder N
Y Water Resistant Y
Material
800x600D lightweight waterproof nylon-polyester blendCordura 1000 outer shell

MixedWorks Swift

Front facing view of the MixedWorks Swift
Capacity24 L
Weight1 kg
Dimensions52×32×17 cm
Airline fit88%

Key differences between the OPPOSETHIS Ark - 2020 and MixedWorks Swift

Both have: sternum strap, 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. 167 accept both. 6 accept only the OPPOSETHIS Ark - 2020, and 0 accept only the MixedWorks Swift.

Only the OPPOSETHIS Ark - 2020 fits

Air Niugini, Belavia, Etihad Airways, Oman Air, Qatar Airways, Royal Jordanian.

OPPOSETHIS Ark - 2020 vs. MixedWorks Swift: which should you pack?

The OPPOSETHIS Ark - 2020 carries 1L more than the MixedWorks Swift (25L vs. 24L), while the OPPOSETHIS Ark - 2020 is the lighter pack at 0.95kg (vs. 1kg). For carry-on flexibility, the OPPOSETHIS Ark - 2020 fits 92% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the OPPOSETHIS Ark - 2020; if you want to travel lighter, the OPPOSETHIS Ark - 2020 is the better call.