Topstar Office chair SITNESS 55, synchronous mechanism, with armrests, various covers. Covers

The SITNESS 55 fitness office chair features a comfortable synchronous mechanism that allows for simultaneous adjustment of the seat and backrest, automatically adapting to your sitting posture. This mechanism can be individually adjusted to body weight and is continuously lockable. The height-adjustable backrest provides pleasant ventilation while sitting, thanks to the air-permeable lumbar area and breathable cover.

Additionally, the SITNESS 55 has a highly upholstered molded foam seat and a patented Body-Balance-Tec® joint that enables three-dimensional mobility, making it ideal for movement-intensive and prolonged sitting.

Backrest specifications include a height of 560 mm, with an adjustable range of 80 mm and a contour-shaped design featuring a completely air-permeable lumbar region.

Seat features include a comfortable synchronous mechanism, a molded foam seat with the patented Body-Balance-Tec® joint for three-dimensional sitting, and stepless seat height adjustment with a top lift. Seat dimensions are W 500 x D 460 x H 450-570 mm.

Further details: Suitable for sitting for up to 8 hours, supports loads up to 110 kg, includes height-adjustable armrests, and has a chrome-plated steel base. Upholstery material options include Nord Wool (70% virgin wool, 25% polyamide, 5% other fibers) or 100% Trevira, both tested for quality.