Gry Mattr + ergoCentric sCentric Task Chair - BlackThe sCentric ergonomic office chair comes with patented adjustment features to enable you to sit in your ideal posture. It features a mesh backrest with a classic foam and fabric seat for a superbly comfortable seating solution. It combines 5 of infinite back height adjustment with a dual curve elastomeric mesh backrest that mirrors the natural curvature of your spine. These features let you position the sCentric lumbar support exactly where you need