Chair with polished or powdercoated aluminium swivel trestle base. Polypropylene shell made with post-consumer recycled materials mixed with post-industrial material, fully upholstered with fabric, leather, coated fabric or customer's own material. Line detail stitching. The upholstery can be separated and replaced by technical personnel, since it has been applied without the use of glue. Upon request armrests are offered in the same finishes of the base.