Corsurf Island Hopper Travel Backpack 28L vs. Tortuga Expandable Backpack

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

Corsurf Island Hopper Travel Backpack 28L

Front facing view of the Corsurf Island Hopper Travel Backpack 28L
Capacity28 L
Weight1 kg
Dimensions48×29×23 cm
Airline fit73%
Price$100

Feature by feature

Corsurf Island Hopper Travel Backpack 28LFeatureTortuga Expandable Backpack
Storage
N Compression 4
None Expanded Capacity None
1 Opening 1
back Passport top, front
Y Passthrough Y
Carry
Y Backpack Y, hideable
N Hip Belt Y, removable
Y Sternum Strap Y
Inside
16in Laptop 16in
3 Main Compartments 4
N Organizer N
Outside
× Hard Shell ×
N Rain-fly N
1, side Water Bottle Holder 1, side
Y Water Resistant Y
Material
630D CORDURA

Tortuga Expandable Backpack

Front facing view of the Tortuga Expandable Backpack
Capacity27 L
Weight1.6 kg
Dimensions49×32×18 cm
Airline fit91%
Price$250

Key differences between the Corsurf Island Hopper Travel Backpack 28L and Tortuga Expandable Backpack

Both have: luggage passthrough, sternum strap, laptop sleeve, 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. 136 accept both. 2 accept only the Corsurf Island Hopper Travel Backpack 28L, and 36 accept only the Tortuga Expandable Backpack.

Only the Corsurf Island Hopper Travel Backpack 28L fits

Regional Express, Virgin Australia.

Only the Tortuga Expandable Backpack fits

Air Baltic, Air China, Air Malta, Air Serbia, Air Seychelles, Asiana Airlines, ATA Airlines, Belavia, 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.

Corsurf Island Hopper Travel Backpack 28L vs. Tortuga Expandable Backpack: which should you pack?

The Corsurf Island Hopper Travel Backpack 28L carries 1L more than the Tortuga Expandable Backpack (28L vs. 27L), while the Corsurf Island Hopper Travel Backpack 28L is the lighter pack at 1kg (vs. 1.6kg). For carry-on flexibility, the Tortuga Expandable Backpack fits 91% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Corsurf Island Hopper Travel Backpack 28L; if you want to travel lighter, the Corsurf Island Hopper Travel Backpack 28L is the better call.