Ahhhhhhh inspired. Comfort is key when you're spending a significant amount of your day behind the desk. Indulge in the ultimate office ease with Serenity. The Serenity High Back Executive chair was specifically designed for individuals over 5' 8" tall. It has a swivel and tilt mechanism that provides 360° movement and complete tilt tension control. Tension knob and tilt tension lock allow user to adjust resistance for rocking motion. Pneumatic seat height control. Upholstered in luxurious Black leather with matching Black powder coat frame, it looks as good as it feels. Some assembly required.