Wave Spring Seat Cushion Advanced spring system adapts to body movement for supportive seating comfort. Breathable 3D Mesh Back Mesh promotes airflow and supports your back during long work sessions. Multi-Function Adjustment Single lever controls height, recline, seat depth, and lock settings. 4D Adjustable Armrests Adjust armrest height, forward/backward position, side-to-side, and pivot for proper wrist alignment. Optional Headrest Choose adjustable headrest for extra neck support. Continuous Use Support Engineered for extended sitting comfort beyond typical office hours. Smooth Rolling Casters Premium wheels allow easy chair movement on office and home floors. Certified Gas Lift Class 4 gas lift ensures steady height adjustment and reliable performance. Durable Build Strong frame and mechanisms support posture and daily use. Fit for Office or Home Combines ergonomic features with a clean design for workspaces and study areas.