𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗲𝗱 𝗣𝗼𝘀𝘁𝘂𝗿𝗲𝗙𝗶𝘁 𝗦𝗟 𝗦𝘂𝗽𝗽𝗼𝗿𝘁: The dual stabilizing pads produce complete spinal alignment. The low back pressure provided allows for a correct position for the lumbar or sacral area, reducing stress on the lower back. 𝗙𝘂𝗹𝗹𝘆 𝗖𝘂𝘀𝘁𝗼𝗺𝗶𝘇𝗮𝗯𝗹𝗲 𝗔𝗱𝗷𝘂𝘀𝘁𝗺𝗲𝗻𝘁𝘀: Its Harmonic Tilt enables a smooth recline and tilt tension adjustment, along with height, depth, and angle-adjustable arms that accommodate various body sizes, accommodating a 300-pound weight capacity. 𝗔𝗱𝘃𝗮𝗻𝗰𝗲𝗱 𝗥𝗼𝗹𝗹𝗲𝗿 𝗜𝗻𝗱𝗲𝘅 𝗔𝗿𝗺 𝗣𝗿𝗲𝗰𝗶𝘀𝗶𝗼𝗻: New indexed roller displacement mechanisms enable precise adjustment of your armrests. Height, depth, and arm angles can be adjusted in seconds with the smooth translating mechanism. 𝗦𝘂𝘀𝘁𝗮𝗶𝗻𝗮𝗯𝗹𝘆 𝗠𝗮𝗱𝗲 𝗮𝗻𝗱 𝗗𝘂𝗿𝗮𝗯𝗹𝗲: It is made with recycled content, including ocean-bound plastic. Includes a 12-year warranty which includes 3-year mechanical Warranty and quiet-roll casters, which are ideal for both carpet and hard floors. 𝗔𝗹𝗹-𝗗𝗮𝘆 𝗕𝗿𝗲𝗮𝘁𝗵𝗮𝗯𝗹𝗲 𝗖𝗼𝗺𝗳𝗼𝗿𝘁: 8z Pellicle Mesh conforms to your own spine, and dissipates 30% more heat than most meshes, allowing for whole days at a desk or in front of a computer. 𝗥𝗲𝗻𝗲𝘄𝗲𝗱 𝗯𝘆 𝗖𝗵𝗮𝗶𝗿𝗼𝗿𝗮𝗺𝗮: Each Aeron chair undergoes a comprehensive multi-stage restoration process to ensure the PostureFit SL is calibrated to the chair and the roller displacement mechanisms have been properly serviced. The Chairorama Refurbished Herman Miller Aeron Size B Chair provides iconic ergonomic benefits in a medium-sized frame designed for most users. Featuring a breathable mesh back and seat that contour to your movements, and a Harmonic 2 Tilt mechanism that provides a balanced recline and adjustable tension based on your body weight. Designed and tested for 24/7 usage, the chair can hold 300 lbs (158.75 kgs), with a 27" inch diameter base for stability and adjustable seat height from 16" - 20.5". Arms are highly adjustable in height with over a 8" inch range (23" - 31.5" from floor), adjustment in depth, and a range of angles to precisely position a mouse and keyboard. With a graphite frame and black mesh upper, this is a durable professional chair composed of materials that would otherwise be discarded as ocean plastics. Also, every renewed chair is certified by the Chairorama test team to provide complete functionality. This means this chair comes with a 12-year warranty! This chair is perfect for anyone working at home, gaming, or as a corporate chair. The ergonomic design and posture fit support promotes better posture and less strain over longer sitting hours.