Topstar office chair Sitness Open X Deluxe, black, with armrests, 110 kg load capacity

This office chair keeps you in motion while you sit, thanks to the clever Sitness hinge that moves with your body.⁠‌‌‌‍‌‍‌‌‍‌‌‍‍‌‍‌‍‌‌‍‍‌‌‌‌‌‌‍‌‌‌‍‌‌‍‌‍‍‍‍⁠ The breathable backrest and comfortable seat ensure you stay fresh even on long working days.⁠‌‌‌‍‌‍‌‌‍‌‌‍‍‌‍‌‍‌‌‍‍‌‌‌‌‌‌‍‌‌‌‍‌‌‍‌‍‍‍‍⁠

When do you need an office chair with a moving seat?
This office chair with the integrated Sitness joint in the seat is ideal if you spend long days behind your desk and want to sit actively. The moving seat surface activates your muscles and improves your posture, so you tire less quickly while working.

Why choose this size and version?
With seat dimensions of 470 x 470 mm and an adjustable height of 450 to 550 mm, this chair suits most body heights. The 110 kg load capacity makes it suitable for a wide range of users, while the armrests, included as standard, provide extra support for your arms and shoulders.

What does the breathable backrest offer?
The backrest features a breathable mesh covering that ensures good ventilation, even during long working days. The height of 580 mm supports your back effectively, while the point synchro mechanism ensures that the backrest and seat move in sync with your body.

Practical considerations for your workspace
The 100% Trevira CS upholstery material is flame-retardant and durable. If you use the chair on hard floors, you can optionally order castors for hard floors (article number 70699954) to prevent scratches. The infinitely adjustable seat height helps you find the perfect working posture.