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Product details
The Sitness 20 by Topstar is an innovative seating alternative specifically designed for back training at the workplace. This fitness stool combines ergonomic design with functional features to promote a healthy sitting posture while activating the muscles. Equipped with the original Walser patent, the Sitness 20 offers a stepless seat height adjustment, which is operated via a practical ring release lever located under the seat. The special deep suspension allows for a horizontal rocking effect that can be individually adjusted through a pressure regulation in the air cushion base. The footplate made of polished aluminum ensures stability and durability, while the included air pump allows for easy adjustment of the seat height. The Sitness 20 meets all safety-related requirements and carries the GS mark from LGA Nürnberg, highlighting its quality and safety.
- Stepless seat height adjustment with top lift
- Horizontal rocking effect through special deep suspension
- Individually adjustable pressure regulation in the air cushion base
- Footplate made of polished aluminum for stability
- LGA tested with GS mark for safety.
Exact colour description | Blue |
Material | Aluminium, Cotton, Polyurethane |
Chair mechanism | Permanent contact mechanism |
Seat height | 51 cm |
Seat width | 41 cm |
Seat depth | 41 cm |
Max. load | 110 kg |
Item number | 5799817 |
Manufacturer | Topstar |
Category | Office chairs |
Manufacturer no. | SI69 S18 |
Release date | 15.6.2016 |
External links |
Colour | Blue |
Exact colour description | Blue |
Material group | Fabric |
Material | Aluminium, Cotton, Polyurethane |
Frame material | Aluminium |
Main cover material | Fabric |
Cover material description | Cotton, Polyurethane |
Target group | Adults |
Office chair type | Office chair without armrests |
Chair mechanism | Permanent contact mechanism |
Max. load | 110 kg |
Recommended sitting time | 4 h |
Seat surface | Height-adjustable, Three-dimensionally movable |
Back rest | None |
Armrest | None |
Headrest | None |
CO₂-Emission | |
Climate contribution |
Width | 41 cm |
Height | 51 cm |
Depth | 41 cm |
Seat width | 41 cm |
Seat height | 51 cm |
Min. seat height | 39 cm |
Max. Seat height | 51 cm |
Seat depth | 41 cm |
Weight | 8.08 kg |
Length | 60 cm |
Width | 80 cm |
Height | 19 cm |
Weight | 8.86 kg |
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Reviews & Ratings
Warranty score
How often does a product of this brand in the «Office chairs» category have a defect within the first 24 months?
Source: Digitec Galaxus- 20.Vasagle0.3 %
- 23.HAG0.5 %
- 24.Topstar0.6 %
- 25.Leitz0.7 %
- 26.Giroflex1.1 %
Warranty case duration
How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?
Source: Digitec Galaxus- 1.Amstyle0 days
- 1.Songmics0 days
- 3.HAG1 day
- 4.Giroflex5 days
- 5.Topstar7 days
Return rate
How often is a product of this brand in the «Office chairs» category returned?
Source: Digitec Galaxus- 7.Giroflex1.1 %
- 8.Vasagle1.3 %
- 9.Topstar1.5 %
- 10.Sihoo2 %
- 11.HTI-Living2.1 %