Fjallraven Singi Stubben vs. Fjallraven Rucksack No. 21 Medium
Two carry-on travel backpacks, compared spec for spec.
Fjallraven Singi Stubben
| Capacity | 27 L |
| Weight | 2.1 kg |
| Dimensions | 52×27×24 cm |
| Airline fit | 40% |
| Price | $240 |
Feature by feature
| Fjallraven Singi Stubben | Feature | Fjallraven Rucksack No. 21 Medium |
|---|---|---|
| Storage | ||
| N | Compression | N |
| None | Expanded Capacity | None |
| 3 | Opening | 3 |
| N | Passport | N |
| N | Passthrough | N |
| Carry | ||
| Y | Backpack | Y |
| N | Hip Belt | N |
| Y | Sternum Strap | Y |
| Inside | ||
| N | Laptop | 15in |
| 1 | Main Compartments | 1 |
| N | Organizer | N |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| N | Water Bottle Holder | 2 |
| Y | Water Resistant | Y |
| Material | |
| G-1000 HeavyDuty Eco S with reinforced, waterproof base in nylon | G-1000® HeavyDuty Eco: 65% polyester, 35% cotton |
Fjallraven Rucksack No. 21 Medium
| Capacity | 20 L |
| Weight | 0.96 kg |
| Dimensions | 44×28×13 cm |
| Airline fit | 96% |
| Price | $180 |
Key differences between the Fjallraven Singi Stubben and Fjallraven Rucksack No. 21 Medium
- Laptop sleeve: No on the Fjallraven Singi Stubben; 15in on the Fjallraven Rucksack No. 21 Medium.
- Water bottle pockets: No on the Fjallraven Singi Stubben; 2 on the Fjallraven Rucksack No. 21 Medium.
Both have: backpack straps, sternum strap, water resistant.
Which airlines take each bag as a carry-on
We checked both bags against the carry-on size limits of 189 airlines. 75 accept both. 0 accept only the Fjallraven Singi Stubben, and 106 accept only the Fjallraven Rucksack No. 21 Medium.
Only the Fjallraven Rucksack No. 21 Medium fits
Air Asia, Air Baltic, Air Canada, Air China, Air Macau, Air Malta, Air Niugini, Air Serbia, Air Seychelles, Air Tahiti, Air Wisconsin, AirAsiaX, Alaska Airlines, Allegiant Air, American Airlines, American Eagle, 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, easyJet, Emirates Airlines, Enter Air, Ethiopian Airlines, Etihad Airways, Eurowings, EVA Air, Fiji Airways, Flair Air, flybe, Garuda Indonesia, Gulf Air, 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, Ravn Alaska, 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.
Fjallraven Singi Stubben vs. Fjallraven Rucksack No. 21 Medium: which should you pack?
The Fjallraven Singi Stubben carries 7L more than the Fjallraven Rucksack No. 21 Medium (27L vs. 20L), while the Fjallraven Rucksack No. 21 Medium is the lighter pack at 0.96kg (vs. 2.1kg). For carry-on flexibility, the Fjallraven Rucksack No. 21 Medium fits 96% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Fjallraven Singi Stubben; if you want to travel lighter, the Fjallraven Rucksack No. 21 Medium is the better call.