Zpacks Bagger Ultra vs. Fjallraven Singi 20
Two carry-on travel backpacks, compared spec for spec.
Zpacks Bagger Ultra
| Capacity | 25 L |
| Weight | 0.3 kg |
| Dimensions | 46×28×14 cm |
| Airline fit | 95% |
| Price | $250 |
Feature by feature
| Zpacks Bagger Ultra | Feature | Fjallraven Singi 20 |
|---|---|---|
| Storage | ||
| N | Compression | 2 |
| None | Expanded Capacity | None |
| 1 | Opening | 4 |
| top | Passport | top |
| N | Passthrough | N |
| Carry | ||
| Y | Backpack | Y |
| removable, optional | Hip Belt | N |
| removable | Sternum Strap | removable |
| Inside | ||
| N | Laptop | 13in |
| 3 | Main Compartments | 3 |
| N | Organizer | N |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| 2, side | Water Bottle Holder | 2, side |
| Y | Water Resistant | Y |
| Material | |
| 3.3oz/sqyd Ultra 100X, not coated with DWR or other chemicals and is PFAS free | 100% polyester 600D (recycled) |
Fjallraven Singi 20
| Capacity | 20 L |
| Weight | 0.7 kg |
| Dimensions | 43×28×16 cm |
| Airline fit | 96% |
| Price | $85 |
Key differences between the Zpacks Bagger Ultra and Fjallraven Singi 20
- Compression straps: No on the Zpacks Bagger Ultra; 2 on the Fjallraven Singi 20.
- Opening: Clamshell on the Zpacks Bagger Ultra; Top zip on the Fjallraven Singi 20.
- Hip belt: Removable, optional on the Zpacks Bagger Ultra; No on the Fjallraven Singi 20.
- Laptop sleeve: No on the Zpacks Bagger Ultra; 13in on the Fjallraven Singi 20.
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. 179 accept both. 0 accept only the Zpacks Bagger Ultra, and 2 accept only the Fjallraven Singi 20.
Only the Fjallraven Singi 20 fits
Air Tahiti, Gulf Air.
Zpacks Bagger Ultra vs. Fjallraven Singi 20: which should you pack?
The Zpacks Bagger Ultra carries 5L more than the Fjallraven Singi 20 (25L vs. 20L), while the Zpacks Bagger Ultra is the lighter pack at 0.3kg (vs. 0.7kg). For carry-on flexibility, the Fjallraven Singi 20 fits 96% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Zpacks Bagger Ultra; if you want to travel lighter, the Zpacks Bagger Ultra is the better call.