For long days when you really have to concentrate: a chair that takes the strain off your back and provides optimum support exactly where it's needed. The ergonomic shape of the backrest is especially pronounced in the lumbar area. Though almost invisible, the asymmetrical lumbar support plays an important part: it can be adjusted independently on each side in height and depth and takes the strain off the intervertebral discs. NEW - sustainable seat cover: Ideal for damaged or soiled upholstery fabric or as a practical protective cover for heavily used chairs in everyday office life. 100 % post-consumer recycled material 30 °C washable extremely hard-wearing with 50,000 abrasion cycles available in black and anthracite Armrests relieve shoulders and neck. Adjustable without tools in width, eight and depth. Pad can be swivelled and locked in place. Lumbar support is invisible integrated and adjustable on each side in height and depth. VSP® synchro mechanism The Virtual Swing Point ensures the perfect sitting movement. Operating instructions Remaining permanently on the chair Control elements For individual setting of seat height, weight adjustment, seat depth and seat inclination via buttons and bowden cable. VSP® synchro mechanism Virtual Swing Point for perfect movement when sitting. Lumbar support Ergonomic support, integrated almost invisibly, can be adjusted on either side in height and depth. Headrest Height-adjustable to reduce strain on the shoulder and neck muscles. Armrests Can be adjusted in width, height and depth without tools – with swivelling top.