Two-part seat that relieves pressure on the spine and pelvis. More comfortable than a regular saddle chair.So-called rider position holds the spine in its natural curve reducing tension in the neck, shoulders and loins. Also improves blood circulation in the feet and legs as it opens the angle of the hips and knees.Easily and infinitely adjust the height, angle and width of the seat for the best possible comfort.Easy rolling castors and upholstered with genuine leather.Dimensions: W400-440 x D 380 mm.H500mm aluminium base with adjustable seat height medium gas spring: 410-600 mm.