Once the chair is properly fitted, no further adjustments are required. A dynamic, position-sensitive headrest cradles the head and neck when the chair is reclined, and moves out of the way when the chair is upright. Features a gel seat and gel-cushioned armrests with a synthetic leather cover. Synchronous armrests move in tandem to support the arms evenly. Fits users who are 5 ft. to 6 ft. 4 inches (1.6 to 2.0m) tall and weigh 100 lbs. to 250 lbs. (45 to 113 kg). Standard seat lift adjusts from 16 inches to 21-1/4 inches (41 to 54cm). Seat depth adjusts from 16-1/4 inches to 19-1/4 inches (41 to 49cm). Seat measures 21 inches (53cm) wide. Backrest height adjusts from 18 inches to 21 inches (46 to 53cm) in 1/4 inch (6.4mm) increments. Armrest height adjusts from 6 inches to 11 inches (13cm) in 1/4 inch (6.4mm) increments. Distance between armrests is 20 inches (51cm). Black, navy or maroon.