Tri-flex seat cushion has built-in sitz bone contours for plush support and a waterfall edge that may help reduce pressure on the upper legs. Pivoting seat leg encourages dynamic movement to keep users active throughout the workday. Easy-adjust handles to lift and lower the seat. Seat pan is positioned forward which may help promote the optimal open hip angle compared to sitting; this angle potentially helps to engage the core muscles and enable posture perfection. Ellipse-shaped base with non-slip rim provides stability for active postures.