The OPS Engage Task Chair is the premium task chair. It is a mesh back and seat chair with multiple adjustment features. Some of them are listed below.
 
Features:
Arm pads adjust inward/outward and upward/downward
Back rest tilt angle adjustment at 90º, 100º, and 110º
Ratchet back
Seat height and tension adjustment
Seat slider
Dark gray mesh seat and back
 
Each chair is $349.00. Call with any questions.