Extremely soft and comfortable.Wide bicycle seat: 350 x 320 x 90mm.Sitting position is upright and forward with good back support for correct posture.Foam upholstered faux leather.Seat height medium gas spring: 580 - 770mm.Aluminium base with easy rolling 50mm castors.Base diam: 610mm.EUROMATIC mechanism has 2 small gas springs which provide quick adjustment of seat and backrest angle. The stepless adjustable seat position can be angled 12 forward and 3 back. Backrest 16 forward and 6 back.Colour: grey.