REI Co-op Ruckpack 28 vs. Osprey Manta 34

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

REI Co-op Ruckpack 28

Front facing view of the REI Co-op Ruckpack 28
Capacity28 L
Weight0.8 kg
Dimensions50×28×23 cm
Airline fit72%
Price$130

Feature by feature

REI Co-op Ruckpack 28FeatureOsprey Manta 34
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
Y Sternum Strap Y
Inside
15in Laptop N
3 Main Compartments 4
Y Organizer Y
Outside
× Hard Shell ×
Y Rain-fly Y
2, side Water Bottle Holder 2, side
Y Water Resistant Y
Material
Recycled nylon shell frame: Rigid foambluesign® APPROVED 100% recycled 210D high-tenacity honey comb contrast nylon, DWR treatments made without PFAS

Osprey Manta 34

Front facing view of the Osprey Manta 34
Capacity34 L
Weight1.4 kg
Dimensions62×35×28 cm
Airline fit2%
Price$220

Key differences between the REI Co-op Ruckpack 28 and Osprey Manta 34

Both have: passport pocket, backpack straps, sternum strap, built-in organizer, rain cover, 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. 3 accept both. 134 accept only the REI Co-op Ruckpack 28, and 0 accept only the Osprey Manta 34.

Only the REI Co-op Ruckpack 28 fits

Adria Airways, Aegean Airlines, Aer Lingus, Aeroflot, Aerolineas Argentinas, Aeromexico, Air Asia, Air Astana, Air Canada, Air Caraibes, Air Europa, Air France, Air India, Air Koryo, Air Macau, Air Mauritius, Air New Zealand, Air Nostrum, Air Tahiti Nui, Air Wisconsin, AirAsiaX, Alaska Airlines, All Nipon Airways, Allegiant Air, American Airlines, ANA, Atlas Global, Austrian, Avianca , Azerbaijan Airlines, Azul Linhas, Bahamasair, Bangkok Airways, Biman Bangladesh, Boliviana de Aviacion, British Airways, Brussels Airlines, Cambodia Angkor Air, Caribbean Airlines, Cathay Pacific, Cayman Airways, Cebu Pacific, China Airlines, China Southern, CommutAir, Conviasa, Copa Airlines, Croatia Air, Cubana de Aviacion, Czech Airlines, Delta Airlines, Dragonair, EL AL, Ethiopian Airlines, Etihad Airways, Eurowings, EVA Air, Fiji Airways, Finnair, Flair Air, Frontier Airlines, Garuda Indonesia, Gol Linhas Aereas, Great Lakes Airlines, Hainan Airlines, Hawaiian Airlines, Hong Kong Airlines, Iberia, Indigo, Interjet, Iran Air, Iran Aseman Air, Japan Airlines, Jet Airways, Jet2, jetBlue Airways, Jetstar Airways, Jetstar Asia, Kenya Airways, KLM, Korean Air, Kulula, Kuwait Air, LATAM , LOT Polish, Lufthansa, Mahan Air, Malaysia Airlines, Mango, Mesa Airlines, Middle East Airlines, Monarch Airlines, Norwegian, Oman Air, Onur Air, Peach, PenAir, Philippine Airlines, Porter Airlines, Qantas Airways, Qatar Airways, Republic Airways, Royal Air Morocco, Royal Jordanian, SAS Scandinavian, Saudi Arabian Airlines, Scoot, Sichuan Airlines, SilkAir, Silver Airways, Singapore Airlines, Sky Airlines, Skywest, Inc., South African Airways, Southwest Airlines, SpiceJet, Spirit Airlines, SriLankan Airlines, Sun Country, Swiss Int'l Air Lines, TAAG Angola, TAM Airlines, Thai Airways, Tiger Airways, Trans States, Travel Service Airlines, Turkish Airlines, United Airlines, Ural Airlines, Uzbekistan Air, Vietnam Airlines, Virgin Atlantic, WestJet, WOW Airlines.

REI Co-op Ruckpack 28 vs. Osprey Manta 34: which should you pack?

The Osprey Manta 34 carries 6L more than the REI Co-op Ruckpack 28 (28L vs. 34L), while the REI Co-op Ruckpack 28 is the lighter pack at 0.8kg (vs. 1.4kg). For carry-on flexibility, the REI Co-op Ruckpack 28 fits 72% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Osprey Manta 34; if you want to travel lighter, the REI Co-op Ruckpack 28 is the better call.