TOPSTAR Sitness Bob sgabello ergonomico nero (SU49 G20)

Long hours at a standing desk or workbench can strain your back and legs. The TOPSTAR Sitness Bob stool solves this by promoting active, dynamic sitting through its 3D movement technology, keeping your body in motion even while seated.

Who is it for

This stool is ideal for anyone who uses a standing desk, works in a workshop, or needs a flexible seating option that encourages better posture and core engagement throughout the day.

Main features

• Sitness 3D movement technology for active sitting
• Safety gas spring height adjustment from 420 to 560 mm
• Non-slip base ring for stability during movement
• Durable polyamide base with a 400 mm diameter
• Comfortable fabric upholstered seat with 380 mm diameter
• Supports up to 110 kg

Specifications

• Product type: Ergonomic office stool
• Seat height: 420–560 mm
• Seat diameter: 380 mm
• Base diameter: 400 mm
• Base material: Polyamide
• Seat material: Fabric upholstery
• Maximum load capacity: 110 kg
• Certification: GS-tested (TÜV Rheinland)
• Assembly required: Yes (minimal)

Tips

Adjust the stool height so your thighs are slightly angled downward, allowing your feet to rest firmly on the floor or footring. Use the 3D movement to shift your weight regularly, which helps reduce fatigue and improve circulation.