Office chair Topstar Sitness 15 Green — ergonomic adjustable seating with sitness technology

Topstar Sitness 15 Green is an ergonomic office chair designed for active sitting in home offices and workplaces. The chair incorporates Topstar's Sitness mechanism to allow subtle micro-movements while seated, supporting a natural posture and reducing static load during long work sessions. It includes adjustable seat height and a supportive backrest in a green upholstery finish.

Advantages

The Sitness mechanism promotes continuous small movements that help maintain spinal alignment and relieve pressure on the lower back. Adjustable seat height enables correct desk positioning, and the supportive seat and backrest provide stable comfort for everyday use. The chair's build and materials are chosen for regular office use and straightforward maintenance.

Suitable for

• Home office workers who need ergonomic seating for daily computer work
• Office environments requiring active sitting solutions
• Users seeking adjustable height and supportive seating for long periods

Key specifications

• Brand: Topstar
• Model: Sitness 15 (ST19UG05)
• Colour: Green
• Mechanism: Sitness active-sitting mechanism
• Features: Height adjustment, supportive backrest
• EAN: 4014296111575

How to use

Adjust the seat height so your feet rest flat on the floor and your thighs are approximately horizontal. Sit with your back lightly supported by the backrest and allow the Sitness mechanism to enable natural micro-movements. Make small posture adjustments during use to engage core muscles and maintain comfort. For change of tasks or longer breaks, stand and move periodically.

Usage recommendations

For optimal ergonomic benefit, combine correct seat height and regular posture changes. Inspect moving parts occasionally and follow the manufacturer's care instructions to preserve function and appearance.