The Vitra Oson C office chair combines the highest Vitra quality with modern design and ergonomic functionality. As a designer chair, it offers extensive adjustment options, including a flexible rocking mechanism, a lockable and height-adjustable backrest and a seat depth adjustment. The synchro-mechanism supports a natural sitting movement and promotes a healthy posture even during long working days. The 4D armrests are adjustable in height, width, depth and angle and provide additional comfort and optimum adaptation to individual needs. The Vitra Oson C is the ideal choice for anyone who wants to combine ergonomic sitting with sophisticated design and high quality.