For comfortable office seating try the Mobile Ergonomic Kneeling Task Chair with Curved Mesh Back and Fabric Seat. Specially designed for maximum comfort, this chair makes a great alternative to traditional office chairs.The ergonomically designed Mobile Ergonomic Kneeling Task Chair with Curved Mesh Back and Fabric Seat positions the diaphragm to promote better breathing and blood circulation. Kneeling chairs also allow the torso to move freely by following the natural posture of your body. The mesh back on this desk chair allows for plenty of airflow to keep the sitter cool. Stay comfortable even while sitting for long periods of time in this task chair with the thickly padded seat and knee rests. The pneumatic seat height adjustment allows this chair to perfectly positioned.