Enjoy comfortable, ergonomic seating with this personalized Apollo II Stool. Seat-height adjustment sets seat height to your desired position relative to the floor. Waterfall seat features a sloping front cushion to reduce pressure on the back of your knees. Breathable, mesh back increases airflow. Ratchet backrest adjusts up or down relative to the seat for personalized lumbar support and comfort. Width-adjustable and height-adjustable arms move in or out and up or down for proper ergonomic positioning. Extended-height stool includes a footrest to prevent leg fatigue and discomfort. Five-star base with casters provides smooth mobility.