Fitness swivel chair with balancing seat in modern mesh look. Infinitely variable seat height adjustment with Toplift (LGA tested).fitness orthosis seat with Body-Balance-Tec joint for three-dimensional mobility of the seat surface. Contoured designer backrest with breathable mesh cover and integrated lumbar support, adjustable in height. Permanent contact mechanism, for adjustment of the backrest inclination, continuously lockable. Backrest infinitely height adjustable. Elegant and stable chrome-plated steel base equipped with load-dependent braked safety double castors for carpets. Height-adjustable armrests included. This model bears the GS mark of the LGA Nuremberg and fulfils all safety-relevant requirements in this context.