OPPOSETHIS Invisible CARRY-ON backpack vs. MixedWorks Swift

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

OPPOSETHIS Invisible CARRY-ON backpack

Front facing view of the OPPOSETHIS Invisible CARRY-ON backpack
Capacity21 L
Weight0.85 kg
Dimensions47×32×15 cm
Airline fit92%
Price$255

Feature by feature

OPPOSETHIS Invisible CARRY-ON backpackFeatureMixedWorks Swift
Storage
N Compression N
None Expanded Capacity None
1 Opening 4
Y Passport N
N Passthrough N
Carry
Y Backpack Y
N Hip Belt N
Y Sternum Strap Y
Inside
15in Laptop 15in
1 Main Compartments 1
Y Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
N 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 Invisible CARRY-ON backpack and MixedWorks Swift

Both have: backpack straps, 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. 167 accept both. 7 accept only the OPPOSETHIS Invisible CARRY-ON backpack, and 0 accept only the MixedWorks Swift.

Only the OPPOSETHIS Invisible CARRY-ON backpack fits

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

OPPOSETHIS Invisible CARRY-ON backpack vs. MixedWorks Swift: which should you pack?

The MixedWorks Swift carries 3L more than the OPPOSETHIS Invisible CARRY-ON backpack (21L vs. 24L), while the OPPOSETHIS Invisible CARRY-ON backpack is the lighter pack at 0.85kg (vs. 1kg). For carry-on flexibility, the OPPOSETHIS Invisible CARRY-ON backpack fits 92% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the MixedWorks Swift; if you want to travel lighter, the OPPOSETHIS Invisible CARRY-ON backpack is the better call.