These polyurethane chairs adjust to fit most body types and workstations. Optional 6-way adjustable armrests support a variety of arm placements for proper ergonomics. These polyurethane chairs are easily cleaned, making them ideal for almost any environment. These desk height chairs feature a powder-coated steel base with a fixed foot ring. Optional casters and add height to the chair. Optional seat tilt provides 8 forward and 3 backward locking tilts for ergonomic posture support.