ULA Equipment Ultra 36L Dragonfly vs. 5.11 Rush 72 2.0 Backpack 55L

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

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

Feature by feature

ULA Equipment Ultra 36L DragonflyFeature5.11 Rush 72 2.0 Backpack 55L
Storage
2 Compression 4
None Expanded Capacity None
1 Opening 1
top Passport top
N Passthrough N
Carry
Y Backpack Y
removable Hip Belt Y
removable Sternum Strap removable
Inside
17in Laptop 15in
4 Main Compartments 6
N Organizer N
Outside
× Hard Shell ×
N Rain-fly N
2, side Water Bottle Holder 2, side
Y Water Resistant Y
Material
Challenge ULTRA, ULTRA TX, UltraStretch1050D nylon (MultiCam® 1000D nylon)

5.11 Rush 72 2.0 Backpack 55L

by 5.11
Front facing view of the 5.11 Rush 72 2.0 Backpack 55L
Capacity55 L
Weight2.4 kg
Dimensions58×34×22 cm
Airline fit16%
Price$190

Key differences between the ULA Equipment Ultra 36L Dragonfly and 5.11 Rush 72 2.0 Backpack 55L

Both have: passport pocket, backpack straps, 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. 31 accept both. 136 accept only the ULA Equipment Ultra 36L Dragonfly, and 0 accept only the 5.11 Rush 72 2.0 Backpack 55L.

Only the ULA Equipment Ultra 36L Dragonfly fits

Aegean Airlines, Aer Lingus, Aeroflot, Aerolineas Argentinas, Aeromexico, Air Asia, Air Astana, Air Baltic, Air Canada, Air Caraibes, Air China, Air France, Air India, Air Macau, Air Malta, Air Mauritius, Air Nostrum, Air Serbia, Air Seychelles, Air Wisconsin, AirAsiaX, Alaska Airlines, All Nipon Airways, Allegiant Air, American Airlines, ANA, Asiana Airlines, ATA Airlines, Atlas Global, Austrian, Avianca , Azerbaijan Airlines, Bahamasair, Bangkok Airways, Biman Bangladesh, Blue Air, Boliviana de Aviacion, British Airways, Brussels Airlines, Bulgaria Air, Cambodia Angkor Air, Cathay Pacific, Cebu Pacific, China Airlines, China Eastern, CommutAir, Copa Airlines, Croatia Air, Czech Airlines, Delta Airlines, Dragonair, EL AL, Emirates Airlines, Enter Air, Ethiopian Airlines, Eurowings, EVA Air, Fiji Airways, Finnair, Flair Air, flybe, Garuda Indonesia, Gol Linhas Aereas, Hawaiian Airlines, Hong Kong Airlines, Iberia, Icelandair, Indigo, InselAir, Interjet, Iran Air, Iran Aseman Air, Japan Airlines, Jet Airways, Jet2, jetBlue Airways, Jetstar Airways, Jetstar Asia, Juneyao Airlines, Kenya Airways, KLM, Kulula, Kuwait Air, LATAM , Liat Airlines, LOT Polish, Lufthansa, Luxair, Mahan Air, Malaysia Airlines, Mango, Meridiana Fly, Mesa Airlines, Middle East Airlines, Monarch Airlines, Nordwind Airlines, Norwegian, Onur Air, Pakistan International, Peach, Porter Airlines, Qantas Airways, Republic Airways, Royal Brunei Airlines, Ryanair, S7, SAS Scandinavian, Scoot, Shandong Airlines, Shenzhen Airlines, Sky Airlines, Skywest, Inc., South African Airways, Spirit Airlines, SriLankan Airlines, Sun Express, Swiss Int'l Air Lines, TAP Air Portugal, TAROM, Thai Airways, Tianjin Airlines (A320 & E190), Tiger Airways, Trans States, Travel Service Airlines, TUI, Turkish Airlines, Ukraine International, United Airlines, Uzbekistan Air, Vietnam Airlines, VIM Airlines (Closed), Virgin Atlantic, Volotea, WestJet, WOW Airlines, Xiamen.

ULA Equipment Ultra 36L Dragonfly vs. 5.11 Rush 72 2.0 Backpack 55L: which should you pack?

The 5.11 Rush 72 2.0 Backpack 55L carries 19L more than the ULA Equipment Ultra 36L Dragonfly (36L vs. 55L), while the ULA Equipment Ultra 36L Dragonfly is the lighter pack at 0.9kg (vs. 2.4kg). 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 5.11 Rush 72 2.0 Backpack 55L; if you want to travel lighter, the ULA Equipment Ultra 36L Dragonfly is the better call.