Osprey Skarab 30 vs. Topo Designs Mountain Pack

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

Osprey Skarab 30

Front facing view of the Osprey Skarab 30
Capacity30 L
Weight0.9 kg
Dimensions54×28×25 cm
Airline fit39%
Price$160

Feature by feature

Osprey Skarab 30FeatureTopo Designs Mountain Pack
Storage
4 Compression >5
None Expanded Capacity None
0 Opening 2
top Passport top
N Passthrough N
Carry
Y Backpack Y
removable Hip Belt removable
Y Sternum Strap Y
Inside
N Laptop 15in
2 Main Compartments 3
N Organizer N
Outside
× Hard Shell ×
N Rain-fly N
2, side Water Bottle Holder 2, side
Y Water Resistant Y
Material
bluesign® APPROVED, 100% recycled 100Dx210D high-tenacity nylon, DWR treatment made without PFAS1000D exterior, 210D coated pack cloth liner

Topo Designs Mountain Pack

Front facing view of the Topo Designs Mountain Pack
Capacity30 L
Weight1 kg
Dimensions48×29×18 cm
Airline fit93%
Price$180

Key differences between the Osprey Skarab 30 and Topo Designs Mountain Pack

Both have: passport pocket, backpack straps, hip belt, sternum strap, 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. 73 accept both. 1 accept only the Osprey Skarab 30, and 102 accept only the Topo Designs Mountain Pack.

Only the Osprey Skarab 30 fits

Great Lakes Airlines.

Only the Topo Designs Mountain Pack fits

Aer Lingus, Air Asia, Air Baltic, Air Canada, Air China, Air Macau, Air Malta, Air Niugini, Air Serbia, Air Seychelles, Air Wisconsin, AirAsiaX, Alaska Airlines, Allegiant Air, American Airlines, Asiana Airlines, ATA Airlines, Austrian, Avianca , Azerbaijan Airlines, Bahamasair, Bangkok Airways, Belavia, Biman Bangladesh, Blue Air, Brussels Airlines, Bulgaria Air, Cambodia Angkor Air, Cathay Pacific, Cayman Airways, Cebu Pacific, China Airlines, China Eastern, CommutAir, Delta Airlines, Dragonair, Emirates Airlines, Enter Air, Ethiopian Airlines, Etihad Airways, Eurowings, EVA Air, Fiji Airways, Flair Air, flybe, Garuda Indonesia, Hawaiian Airlines, Hong Kong Airlines, Icelandair, InselAir, jetBlue Airways, Jetstar Airways, Jetstar Asia, Juneyao Airlines, Kulula, Liat Airlines, LOT Polish, Lufthansa, Luxair, Mahan Air, Malaysia Airlines, Mango, Meridiana Fly, Mesa Airlines, Nordwind Airlines, Norwegian, Oman Air, Pakistan International, Porter Airlines, Qantas Airways, Qatar Airways, Regional Express, Republic Airways, Royal Brunei Airlines, Royal Jordanian, Ryanair, S7, SAS Scandinavian, Scoot, Shandong Airlines, Shenzhen Airlines, Skywest, Inc., South African Airways, SriLankan Airlines, Sun Express, Swiss Int'l Air Lines, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), Tiger Airways, Trans States, TUI, Turkish Airlines, Ukraine International, United Airlines, Vietnam Airlines, VIM Airlines (Closed), Virgin Atlantic, Virgin Australia, Volotea, WestJet, Xiamen.

Osprey Skarab 30 vs. Topo Designs Mountain Pack: which should you pack?

The Osprey Skarab 30 carries the same capacity as the Topo Designs Mountain Pack (30L vs. 30L), while the Osprey Skarab 30 is the lighter pack at 0.9kg (vs. 1kg). For carry-on flexibility, the Topo Designs Mountain Pack fits 93% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Osprey Skarab 30; if you want to travel lighter, the Osprey Skarab 30 is the better call.