KS Ultralight KS27 vs. Fjallraven Vardag 28
Two carry-on travel backpacks, compared spec for spec.
KS Ultralight KS27
| Capacity | 27 L |
| Weight | 0.3 kg |
| Dimensions | 55×28×16 cm |
| Airline fit | 87% |
| Price | $130 |
Feature by feature
| KS Ultralight KS27 | Feature | Fjallraven Vardag 28 |
|---|---|---|
| Storage | ||
| 2 | Compression | 2 |
| None | Expanded Capacity | None |
| 0 | Opening | 4 |
| top | Passport | top |
| N | Passthrough | N |
| Carry | ||
| Y | Backpack | Y |
| removable | Hip Belt | removable |
| removable | Sternum Strap | removable |
| Inside | ||
| N | Laptop | 15in |
| 2 | 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 | |
| X-pac VX 07 YKK "waterproof zip" | 100% polyester 600D (recycled) |
Fjallraven Vardag 28
| Capacity | 28 L |
| Weight | 0.8 kg |
| Dimensions | 50×29×18 cm |
| Airline fit | 92% |
| Price | $100 |
Key differences between the KS Ultralight KS27 and Fjallraven Vardag 28
- Opening: Other on the KS Ultralight KS27; Top zip on the Fjallraven Vardag 28.
- Laptop sleeve: No on the KS Ultralight KS27; 15in on the Fjallraven Vardag 28.
- Main compartments: 2 on the KS Ultralight KS27; 3 on the Fjallraven Vardag 28.
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. 163 accept both. 1 accept only the KS Ultralight KS27, and 10 accept only the Fjallraven Vardag 28.
Only the KS Ultralight KS27 fits
Great Lakes Airlines.
Only the Fjallraven Vardag 28 fits
Air Niugini, Belavia, Etihad Airways, Liat Airlines, Oman Air, Qatar Airways, Royal Jordanian, Scoot, Tiger Airways, WestJet.
KS Ultralight KS27 vs. Fjallraven Vardag 28: which should you pack?
The Fjallraven Vardag 28 carries 1L more than the KS Ultralight KS27 (27L vs. 28L), while the KS Ultralight KS27 is the lighter pack at 0.3kg (vs. 0.8kg). For carry-on flexibility, the Fjallraven Vardag 28 fits 92% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Fjallraven Vardag 28; if you want to travel lighter, the KS Ultralight KS27 is the better call.