AIR. The project began by making a rectangular sheet adapt to the anatomy and form of the human back. A flexible and adjustable 6 mm backrest: ergonomic, light and versatile. A task seating series of advanced technology with a height-adjustable backrest or with the smaller Aire Jr. version, available in five colors: ceramic white, gray, orange, black or green. The concave and convex surfaces of its shape and the structural characteristics of the reinforced polypropylene allow the backrest a comfortable flexibility when reclined. Fixed "T" armrests, also adjustable in height and width on synchron mechanism, with depth-adjusting forward seat slider. The Aire backrest can also be upholstered in a wide range of flame retardant fabrics. Based and armrests supports in in polished or powder coated aluminum, swivel base can also be in gray nylon.