Imagine an office chair that actually promotes strength and flexibility in your back. That's the Serta works executive office chair with back in motion technology. This feature rich, performance-focused chair helps its users become more productive and efficient by maximizing wellness and comfort while seated. The back in motion active seat technology swivels the lumbar forward like the pelvis tilt exercise, promoting strength and flexibility in your core. Its push-button arm adjustable armrests and pneumatic Height and seat adjustment can be customized to find the right fit for you. And its multi-layered, pillow soft cushions pamper like a luxury mattress so you'll feel refreshed and rejuvenated, even after a long day.