Gossamer Gear Mariposa vs. ULA Equipment Ultra 36L Dragonfly

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

Gossamer Gear Mariposa

Front facing view of the Gossamer Gear Mariposa
Capacity36 L
Weight0.9 kg
Dimensions56×28×14 cm
Airline fit47%
Price$315

Feature by feature

Gossamer Gear MariposaFeatureULA Equipment Ultra 36L Dragonfly
Storage
2 Compression 2
None Expanded Capacity None
0 Opening 1
N Passport top
N Passthrough N
Carry
Y Backpack Y
removable Hip Belt removable
removable Sternum Strap removable
Inside
N Laptop 17in
1 Main Compartments 4
N Organizer N
Outside
× Hard Shell ×
N Rain-fly N
2, side Water Bottle Holder 2, side
Y Water Resistant Y
Material
100D & 210D Recycled Robic NylonChallenge ULTRA, ULTRA TX, UltraStretch

ULA Equipment Ultra 36L Dragonfly

Front facing view of the ULA Equipment Ultra 36L Dragonfly
Capacity36 L
Weight0.9 kg
Dimensions52×30×19 cm
Airline fit88%
Price$320

Key differences between the Gossamer Gear Mariposa and ULA Equipment Ultra 36L Dragonfly

Both have: compression straps, 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. 88 accept both. 1 accept only the Gossamer Gear Mariposa, and 79 accept only the ULA Equipment Ultra 36L Dragonfly.

Only the Gossamer Gear Mariposa fits

Great Lakes Airlines.

Only the ULA Equipment Ultra 36L Dragonfly fits

Aer Lingus, Aeroflot, Aerolineas Argentinas, Aeromexico, Air Baltic, Air Canada, Air Caraibes, Air China, Air France, Air India, Air Malta, Air Mauritius, Air Serbia, Air Seychelles, All Nipon Airways, ANA, Asiana Airlines, ATA Airlines, Austrian, Azerbaijan Airlines, Blue Air, Boliviana de Aviacion, Brussels Airlines, Bulgaria Air, China Eastern, Czech Airlines, Emirates Airlines, Enter Air, Ethiopian Airlines, Eurowings, Fiji Airways, Flair Air, flybe, Gol Linhas Aereas, Iberia, Icelandair, Indigo, InselAir, Interjet, Iran Air, Japan Airlines, Jet Airways, Juneyao Airlines, Kenya Airways, KLM, LATAM , Liat Airlines, LOT Polish, Lufthansa, Luxair, Mahan Air, Meridiana Fly, Mesa Airlines, Nordwind Airlines, Norwegian, Pakistan International, Peach, Porter Airlines, Royal Brunei Airlines, Ryanair, S7, SAS Scandinavian, Scoot, Shandong Airlines, Shenzhen Airlines, Sky Airlines, Sun Express, Swiss Int'l Air Lines, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), Tiger Airways, TUI, Turkish Airlines, Ukraine International, VIM Airlines (Closed), Volotea, WestJet, Xiamen.

Gossamer Gear Mariposa vs. ULA Equipment Ultra 36L Dragonfly: which should you pack?

The Gossamer Gear Mariposa carries the same capacity as the ULA Equipment Ultra 36L Dragonfly (36L vs. 36L), while the Gossamer Gear Mariposa is the lighter pack at 0.9kg (vs. 0.9kg). For carry-on flexibility, the ULA Equipment Ultra 36L Dragonfly fits 88% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Gossamer Gear Mariposa; if you want to travel lighter, the Gossamer Gear Mariposa is the better call.