Mirus mid-back task chair is designed with ergonomic support. Chair is easy to tailor for personal fit with simple-to-use lumbar, seat depth and arm adjustments. Other functions include pneumatic seat-height adjustment, seat-glide mechanism, 360-degree swivel, synchro tilt with side tension and tilt lock. 100 percent polyester upholstery features Nano-tex superior stain-resistance. Task chair meets or exceeds applicable ANSI/BIFMA and ISTA performance standards.