You'll feel the difference with this ultra adjustable chair from that allows personalized positioning for day long comfort and improved productivity. Extra thick 3-1/2" padding is covered by durable 100% acrylic fabric upholstery for an attractive look. Height adjustable T-arms align arms and wrists correctly for data entry. Arms also adjust side-to-side. Polished aluminum base with 2" dual wheel carpet casters provide easy mobility. Pneumatic height adjustment.