Breathable Matrex seat and back with adjustable lumbar support, One touch pneumatic seat height adjustment, Deluxe 2-to-1 synchro tilt control with 3-position lock, anti-kickback, seat slider and tilt, Tension control, Height adjustable arms with PU pads, Heavy duty angled gunmetal finish base with oversized dual wheel carpet caster, Rated for up to 300 lbs, Dimension: 45, 75H x 27, 75W x 28, 5D, Seat Depth: 19, 5"", Seat Width: 21, 5"", Back Height: 23, 5"", SKU: AVES1230