【Targeted Lumbar Support】 Built for long desk hours, this ergonomic office chair features an 8-level micro-adjust lumbar system with up to 2 inches of adjustment to better fit different sitting preferences and body shapes. The support is designed to align more closely with the lower back area from L1 to L5, helping encourage healthier posture and a more balanced seated position. Compared with basic desk chairs that offer fixed or minimal back support, this design gives you more personalized comf 【Comfort For Extended Sitting】 Made for long sessions, this high back office chair combines a supportive backrest, flexible headrest, and roomy seat to help reduce the discomfort that often comes with prolonged sitting. The chair is designed to comfortably fit users from 5'5" to 6'2", making it a practical option for a wide range of home office and work setups. Whether you are taking calls, writing, gaming, or focusing through a full workday, the chair supports a more comfortable and stable seat 【Breathable Oversized Mesh Seat】 The generously sized 19.69"D x 20"W seat is crafted from breathable Aerovith mesh to promote continuous airflow and help keep you cooler during long hours at your desk. Unlike padded seats that can trap heat over time, the mesh design offers a more ventilated seating surface while maintaining supportive comfort. The wider seat also gives you more room to sit naturally, shift position, and stay comfortable through meetings, tasks, and extended screen time. 【Adjustable Headrest And Recline】 This mesh office chair is equipped with a 3D adjustable headrest for customized neck and head support, along with a reclining backrest that locks at 105°, 120°, or 125°. These adjustable features make it easier to switch between focused work, relaxed reading, and short break modes throughout the day. The ability to fine-tune both upper-body support and recline angle helps create a more adaptable chair for different routines and comfort preferences. 【Space-Saving Arms And Smooth Mobility】 Designed with everyday practicality in mind, the chair includes 4D flip-up armrests that can be raised 90° to slide the chair more easily under your desk and free up valuable floor space when not in use. The soft arm surfaces are designed for comfort, while the silent PU wheels help the chair glide smoothly across your workspace with less noise and less risk of floor marks. A reinforced base and SGS lift add dependable stability for daily use.