The high back mesh chair with adjustable headrest, lumbar support, and 3d armrest from smudges.an exciting growth story in ergonomic furniture experience health and comfort with our advanced technology millions of happy users and counting multifunction headrest. 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 problems as it provides proper support for your neck that eliminates the stress you often experienced when you have to sit for a long period. Adjustable lumbar support. this ergo office chair has excellent adjustable lumbar support, to provides the best support for all types 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. Unique 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 airflow that provides you a cool and comfortable 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 keep the air flowing on your back, prevents moisture and body heat build-up, gives you cool and comfortable for long-term sitting. Unrivaled quality designed and built using only high-quality material and mechanical structure. The worry-free warranty at smudges, we believe in our products.