If standard office chairs donât meet your specific needs, this Big & Tall adjustable office chair will save the day. Generous padding, fabric upholstery and ergonomic features give a custom fit that will get you comfortably through your workday. [_Our chair conforms to ANSI/BIFMA standard X5.1-17_] Mid back office chair with fabric upholstered back and seat with CAL 117 fire retardant foam