STM Saga vs. Fjallraven Rucksack No. 21 Medium
Two carry-on travel backpacks, compared spec for spec.
Feature by feature
| STM Saga | 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 |
| N | Sternum Strap | Y |
| Inside | ||
| N | Laptop | 15in |
| 1 | Main Compartments | 1 |
| Y | Organizer | N |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| 2 | Water Bottle Holder | 2 |
| Y | Water Resistant | Y |
| Material | |
| 100% polyester | 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 STM Saga and Fjallraven Rucksack No. 21 Medium
- Sternum strap: No on the STM Saga; Yes on the Fjallraven Rucksack No. 21 Medium.
- Laptop sleeve: No on the STM Saga; 15in on the Fjallraven Rucksack No. 21 Medium.
- Built-in organizer: Yes on the STM Saga; No on the Fjallraven Rucksack No. 21 Medium.
Both have: backpack straps, 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. 180 accept both. 0 accept only the STM Saga, and 1 accept only the Fjallraven Rucksack No. 21 Medium.
Only the Fjallraven Rucksack No. 21 Medium fits
Great Lakes Airlines.
STM Saga vs. Fjallraven Rucksack No. 21 Medium: which should you pack?
The STM Saga carries the same capacity as the Fjallraven Rucksack No. 21 Medium (20L vs. 20L), while the STM Saga is the lighter pack at 0.51kg (vs. 0.96kg). 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 STM Saga; if you want to travel lighter, the STM Saga is the better call.