Osprey Nebula vs. Remote Equipment Alpha 31 Pack
Two carry-on travel backpacks, compared spec for spec.
Feature by feature
| Osprey Nebula | Feature | Remote Equipment Alpha 31 Pack |
|---|---|---|
| Storage | ||
| 4 | Compression | 4 |
| None | Expanded Capacity | 36L |
| 1 | Opening | 2 |
| top | Passport | top |
| N | Passthrough | N |
| Carry | ||
| Y | Backpack | Y |
| removable | Hip Belt | removable |
| Y | Sternum Strap | Y |
| Inside | ||
| 15in | Laptop | 16in |
| 3 | Main Compartments | 6 |
| Y | Organizer | N |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| 2, side | Water Bottle Holder | 2, side |
| Y | Water Resistant | Y |
| Material | |
| MAIN: 420HD Nylon Packcloth BOTTOM: 420HD Nylon Packcloth | Challenge Outdoor EPX600 |
Remote Equipment Alpha 31 Pack
| Capacity | 31 L |
| Weight | 1.5 kg |
| Dimensions | 54×29×20 cm |
| Airline fit | 88% |
| Price | $400 |
Key differences between the Osprey Nebula and Remote Equipment Alpha 31 Pack
- Opening: Clamshell on the Osprey Nebula; Rolltop on the Remote Equipment Alpha 31 Pack.
- Laptop sleeve: 15in on the Osprey Nebula; 16in on the Remote Equipment Alpha 31 Pack.
- Main compartments: 3 on the Osprey Nebula; 6 on the Remote Equipment Alpha 31 Pack.
- Built-in organizer: Yes on the Osprey Nebula; No on the Remote Equipment Alpha 31 Pack.
Both have: compression straps, 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. 25 accept both. 0 accept only the Osprey Nebula, and 141 accept only the Remote Equipment Alpha 31 Pack.
Only the Remote Equipment Alpha 31 Pack 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, Cayman Airways, Cebu Pacific, China Airlines, China Eastern, CommutAir, Conviasa, Copa Airlines, Czech Airlines, Delta Airlines, Dragonair, EL AL, Emirates Airlines, Enter Air, Ethiopian Airlines, Eurowings, EVA Air, Fiji Airways, Finnair, Flair Air, flybe, Frontier Airlines, Garuda Indonesia, Gol Linhas Aereas, Hawaiian Airlines, Hong Kong Airlines, Iberia, Icelandair, Indigo, InselAir, Interjet, Iran Air, Iran Aseman Air, Island 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, PenAir, 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, Southwest Airlines, Spirit Airlines, SriLankan Airlines, Sun Country, 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, WOW Airlines, Xiamen.
Osprey Nebula vs. Remote Equipment Alpha 31 Pack: which should you pack?
The Osprey Nebula carries 3L more than the Remote Equipment Alpha 31 Pack (34L vs. 31L), while the Osprey Nebula is the lighter pack at 1kg (vs. 1.5kg). For carry-on flexibility, the Remote Equipment Alpha 31 Pack fits 88% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Osprey Nebula; if you want to travel lighter, the Osprey Nebula is the better call.