TOPSTAR Sitness 40 ergonomische draaikruk wit ST290D16

The TOPSTAR Sitness 40 is an ergonomic swivel stool designed for active sitting at standing desks or workstations. Its innovative 3D-movement technology promotes dynamic sitting, strengthening the back and improving posture. The stool features a stepless height adjustment via a safety gas spring, a durable polypropylene fabric seat, and a stable polyamide ring base with glides. Ideal for office, home office, and commercial use.

Advantages

Active sitting with 3D-movement technology; ergonomic design reduces back strain; stepless height adjustment from 42 to 55 cm; robust construction supports up to 110 kg; GS-tested safety by TÜV Rheinland.

Suitable for

• Office and home office workstations
• Standing desks
• Reception areas
• Training rooms

Key specifications

• Product Type: Ergonomic Swivel Stool
• Series: Sitness 40
• Colour: White
• Seat Upholstery Material: Durable fabric (100% Polypropylene)
• Base Material: Polyamide
• Seat Height Adjustment: Stepless, via safety gas spring
• Minimum Seat Height: 42 cm
• Maximum Seat Height: 55 cm
• Seat Diameter: 40 cm
• Base Diameter: 40 cm
• Special Feature: Sitness 3D-movement technology for active sitting
• Base Type: Ring base
• Mobility: Equipped with glides
• Maximum User Weight: 110 kg
• Certifications: GS-tested (TÜV Rheinland)
• Country of Origin: Germany
• Assembly Required: Yes (minor assembly)

Recommendations

For optimal ergonomics, pair with a height-adjustable desk. The Sitness 40 encourages movement, reducing fatigue during long work hours.