This ergonomic office chair is designed to provide superior comfort and support during long work hours. Featuring a high-quality mesh backrest that promotes airflow to keep you cool, the chair includes adjustable lumbar support that contours to the natural curve of your lower back for optimal spinal alignment. The headrest offers vertical and rotational adjustments to cradle your head and reduce neck strain. With 3D adjustable armrests that move up/down, forward/backward, and rotate 35 degrees, this chair accommodates various body types and seating preferences. The reclining function allows you to tilt between 90 and 135 degrees, while the seat height adjusts from 15 to 18 inches. Constructed with durable materials including reinforced mesh, high-density sponge cushioning, and soft PU armrests, this chair supports up to 350 pounds. Easy assembly takes approximately 15 minutes, making it an ideal seating solution for both home and office environments.