Ergonomic Office Chair, Lumbar Support, 4D Armrests, Black Extra-Thick Seat, 4D Armrests, 4.3 in Lumbar Support,Seat Depth, Mesh Back, 126-Degree.

Extra-Thick Seat Cushion: A plush padded seat helps distribute pressure on hips and thighs during extended workdays; the supportive foam balances softness and resilience for home office, gaming, and study use. 4D Armrests and Lumbar Support: Four-direction armrests adjust for typing, reading, or reclining; the wide 4.3-inch lumbar support moves to fit your lower back and support a natural seated posture. Smooth Recline and 126-Degree Lock: Adjustable tilt tension allows you to fine-tune recline resistance; the backrest locks up to 126 degrees for work breaks, reading, or relaxed thinking between tasks. Seat Depth and Headrest Adjustment: The sliding seat depth helps align the chair with your leg length; the 360-degree headrest adjusts to support your neck and upper back during long hours at the desk. Breathable Mesh Back and Heavy-Duty Frame: The high back mesh promotes airflow to help you stay cool; the BIFMA-tested frame and base support up to 330 lb for reliable everyday office use. Easy Assembly with Included Hardware: Clear instructions, screws, and tools are contained in the box; most users can finish setup in about 15 minutes without extra tools