OPPOSETHIS Invisible CARRY-ON backpack vs. Deuter XV 3 SL

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 backpackFeatureDeuter XV 3 SL
Storage
N Compression N
None Expanded Capacity None
1 Opening 2
Y Passport N
N Passthrough N
Carry
Y Backpack Y
N Hip Belt hideable
Y Sternum Strap Y
Inside
15in Laptop 15in
1 Main Compartments 1
Y Organizer Y
Outside
× Hard Shell ×
N Rain-fly optional
N Water Bottle Holder N
Y Water Resistant Y
Material
800x600D lightweight waterproof nylon-polyester blend600D PES, 100% recycled fabrics

Deuter XV 3 SL

Front facing view of the Deuter XV 3 SL
Capacity21 L
Weight1.03 kg
Dimensions54×30×20 cm
Airline fit88%
Price$130

Key differences between the OPPOSETHIS Invisible CARRY-ON backpack and Deuter XV 3 SL

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. 166 accept both. 8 accept only the OPPOSETHIS Invisible CARRY-ON backpack, and 0 accept only the Deuter XV 3 SL.

Only the OPPOSETHIS Invisible CARRY-ON backpack fits

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

OPPOSETHIS Invisible CARRY-ON backpack vs. Deuter XV 3 SL: which should you pack?

The OPPOSETHIS Invisible CARRY-ON backpack carries the same capacity as the Deuter XV 3 SL (21L vs. 21L), while the OPPOSETHIS Invisible CARRY-ON backpack is the lighter pack at 0.85kg (vs. 1.03kg). 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 OPPOSETHIS Invisible CARRY-ON backpack; if you want to travel lighter, the OPPOSETHIS Invisible CARRY-ON backpack is the better call.