【BREATHABLE MESH 】- The breathable mesh on this ergonomic office chair provides support while also eliminating heat and moisture build up to keep your whole body cool and comfortable. Cool air circulates through the strong mesh to keep your body sweat-free and allowing you to sit in the chair comfortably for longer periods of time, as compared to traditional chairs
【ERGONOMIC DESIGN】－This Ergonomic Chair is based on the human dynamic digital model. The office chair ridge backrest and the human spine are exactly the same. Fitting closer together helps release spinal pressure. Adjustable headrest，lumbar & backrest, fitting all your needs: working, gaming or taking nap.
【EASY TO INSTALL】－ Simple instructions allow anyone to put this office desk chair together in FIVE simple steps!
【3D-ARMREST】-Each armrest can be adjusted in three ways ,1.9 inches horizontally ,2.9 inches vertically ,36 ° swivel rotation.
【HEAVY DUTY BASE】-With the entire frame made from high strength steel, this chair base is as heavy duty as you wish to find. It will easily hold up to 300 lbs for years and years of extended use.