This chair is the expression of absolute rationality; it looks like it was designed by a child, there are no curvesbut softness and comfort are found in a special internal structure as well as in the upholstery material.Wooden structure padded with polyurethane foam in different densities. Pre-upholstery in polyester wadding,upholstery in recycled wool covering.More fabrics and leathers are available as per sample book.