The mia injects a burst of breathable colour into your office providing the latest in ergonomic seating the mia allows the height and angle of the backrest to be adjusted for maximum comfort and support featuring a waterfall seat edge to reduce pressure on your legs and 5 strong swivel caster wheels perfect for everyday office use fabric seat black base 1d adjustable arms height adjustable 3 lever system 8 hours use back adjustment back height adjustment seat height adjustment 110