Herman Miller Aeron side/guest or desk chair size (B) by Herman Miller. It's the best and most admired and recognized ergonomic office chair ever made. Its innovative design and support for a range of postures, activities, and body types, have made and kept Aeron an icon. The design combines ergonomic support with sleek looks and superior comfort. The classic Aeron side chair is the perfect seat for visitors to your home or office. Please note I have two chairs available, selling them individually (the price listed is for one chair) Specification: Breathable mesh fabric adapts to everybody and keeps you cool and comfortable. Pellicle classic nickel mesh fabric seat and back. Frame color: graphite Adjustable lumbar support (height and depth) stabilizes the base of the spine. Medium chair size: B Weight capacity: 350 lbs. Designed by: Don Chadwick and Bill Stumpf Made in: USA. Dimensions: Height 38" x Width 24" x Depth 26" x Seat height 17.5" x Arm height 26" x Weight approx. 32 lbs.