Gregory Border 25 vs. Oppose This Invisible Carry-On

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

Gregory Border 25

Front facing view of the Gregory Border 25
Capacity25 L
Weight0.9 kg
Dimensions50×33×23 cm
Airline fit72%
Price$140

Feature by feature

Gregory Border 25FeatureOppose This Invisible Carry-On
Storage
N Compression
None Expanded Capacity None
0 Opening 0
top Passport top
Y Passthrough N
Carry
Y Backpack
N Hip Belt N
Y Sternum Strap removable
Inside
15in Laptop 15in
4 Main Compartments 4
Y Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
1, side Water Bottle Holder
Y Water Resistant Y
Material
PVC-Free Coated 210D High Density 66 Nylon & 100% Recycled 450D Polyester with C0 DWR: designed without PFASShell: 800x600D lightweight waterproof nylon-polyester blend

Oppose This Invisible Carry-On

Front facing view of the Oppose This Invisible Carry-On
Capacity24 L
Weight1.5 kg
Dimensions53×35×15 cm
Airline fit88%
Price$250

Key differences between the Gregory Border 25 and Oppose This Invisible Carry-On

Both have: passport pocket, 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. 131 accept both. 5 accept only the Gregory Border 25, and 35 accept only the Oppose This Invisible Carry-On.

Only the Gregory Border 25 fits

Cayman Airways, Etihad Airways, Oman Air, Qatar Airways, Royal Jordanian.

Only the Oppose This Invisible Carry-On 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, Liat Airlines, Luxair, Meridiana Fly, Nordwind Airlines, Pakistan International, 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.

Gregory Border 25 vs. Oppose This Invisible Carry-On: which should you pack?

The Gregory Border 25 carries 1L more than the Oppose This Invisible Carry-On (25L vs. 24L), while the Gregory Border 25 is the lighter pack at 0.9kg (vs. 1.5kg). For carry-on flexibility, the Oppose This Invisible Carry-On fits 88% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Gregory Border 25; if you want to travel lighter, the Gregory Border 25 is the better call.