Revolutionary in its design, the Office Star Kneeling Chair switches em' up to get you working in a completely different posture. The thick padded seat cradles the body for more advanced ergonomics while you work and raises and lowers manually, letting you get to that kneeling sweet spot. While the connected knee pads utilize memory foam for added comfort, giving you a full-body supporting seat to keep you working in a new, more ergo-friendly way.With black metal base. Seat moves with manual height adjustment. Call for all the possible colors and features.