The high back is super comfortable and has a contour design to align with good posture. Adjustable arm height and chair height make this a practical and professional choice. Sky blue velour microfiber. Rolling base. Arm height adjusts. Chair height adjusts from 36" to 38". Seat height adjusts from 17" to 19". Base is 23" wide. Chair is 23 1/2" deep. Seat is 20" deep.