Ryze Chair can be minutely adjusted to achieve unrivaled, ergonomic fine-tuning. Swivel-tilt allows you to rock back and forth and adjust the tension. Tilt lock locks out the tilt function. Seat height adjusts to your desired position relative to the floor. Waterfall seat slopes in the front to reduce pressure on the back of your knees. Mesh back provides breathability for enhanced comfort. Arms flip up.