HIGH BACK EXECUTIVE OFFICE CHAIR gentler appearance and top-ranking sitting feeling with a little fashionable color make the chair achieved as a most successful office chair 1.double layer extra wide cushion design with fashion color top grain cow leather 2.patent NST soft padded arms wtih contrasting stitched seams 3.patent scuff resistant heavy duty nylon star base with easy-moved castors 4.knee-tilt meachanism with tilt tension adjusts and locks where desired 5,SHS1-Touch seat height adjustment for perfect posture 6.meets or exceeds ANSI/BIFMA X5.1 Standard