Backrest upholstered or black mesh backrest.
Seat: beech plywood and cold foamed polyurethane padding, black nylon seat outer.
Backrest: reinforced rigid plastic structure, cold foamed polyurethane padding, black nylon backrest outer.
Adjustments: synchronized mechanism with three levers, antishock and independent adjustment of the seat, anti-shock stilting device with two levers, seat gas adjustment. Height adjustable lumbar support with up-down system.
Armrests:: Height adjustable black nylon, black nylon fixed.
Base: swivel five-star structure in black nylon with reinforced ring, black wheels.