This office chair is designed for those who sit at their desks for long periods of time. Made of breathable mesh fabric, it conforms to the human body's functional curve of the spine, while allowing free air circulation to keep you cool and comfortable, eliminating the stuffiness caused by sitting for long periods. The built-in lumbar support module precisely targets the lower back, reducing the pressure on the lumbar vertebrae. The adjustable headrest and armrests can be adjusted up and down to accommodate different heights.