Smugdesk 1388FK Ergonomic High Back Mesh Adjustable Headrest and Lumbar Support 3D Armrest Office Chair, Standard Size, Black Multifunction Headrest - A long-day work will cause neck problems. The ergonomic high back office chair is designed with adjustable headrest. Multi-dimensional free rotating headrest provides the most comfortable position for your head and neck. Using this office chair can perfectly solve neck problem as it provides proper support for your neck that eliminates the stress you often experienced, when you have to sitting for a long period. Adjustable Lumbar Support - This ergo office chair has excellent adjustable lumbar support, to provides best support for all type of people. It can hug your lower back all the time to greatly reduce spine fatigue. Besides, the separately movable waist pillow will relax your body and ease any back pain even enhance the natural curve of the spine when you sitting for hours. Ergonomic 3D Armrest - Compared to other regular ergonomic office chairs, this office chair is designed with 3D multi-function armrest. This armrest can be up and down, left and right, back and forth adjustment. The 3D armrest provides comfortable support for arms with various sitting postures. Maximize the satisfaction of various needs, provides the most comfortable sitting position for sedentary people. Breathable Mesh - Designed with the air-right structure seat, allows air flow that provides you a cool and comfort sitting position. The high-elastic mesh three-tiered backrest and double mesh pad cushion make this mesh office chair for maximum-breathability. This ergonomic mesh chair keeps the air flowing on your back, prevent moisture and body heat build-up, give you cool and comfort for long-term sitting. Purchase Our Product RISK-FREE - No additional tools needed for assembly. For your convenience, all screws have extra backups. Any quality problem will be free replacement or money back within 30 days and free replacement damage parts within 1 year.