This ergonomic chair resembles the look of a conventional task chair, but with the inclusion of kneeling pads. You'll be able to regain your body's natural posture with this ergonomic kneeling chair with included back. Kneeling chairs sit you in a position to allow your diaphragm to move efficiently and promote better breathing and blood circulation. The frame is height adjustable to get into your preferred seat height. Use as your permanent office chair or in conjunction with a conventional task or executive office chair.Contemporary Style Kneeling Chair with Back SupportVentilated Mesh BackPadded Black Fabric Upholstered SeatPadded Seat and Knee RestKnee Rest Pads: 18.5"W x 10.5"D x 2.5" ThickCAL 117 Fire Retardant FoamHeight Adjustable FrameBlack Powder Coated Scissor Steel FrameDual Wheel Casters