Darwin is a swivel, upholstered office chair with armrests, on a trestle base.‎Technical featuresInner frameSeat and backrest made of double radius stratified curved beech plywood, warm shaped, 13 mm thickness.‎ Inner wooden panel in stratified curved beech plywood, warm shaped, 5 mm thickness.‎PaddingPolyurethane resin ELAST PERFORMANCE characterized by "smart memory", that allows the armchair to recover the initial support even after long and strong pressure.‎ Seat density 40 kg/mc non-deformable, wadding on the seat 150 gr/Sq m.‎ Backrest densities: 50 kg/mc elastic non-deformable, thickness 10 mm, and 35 kg/mc, thickness 25 mm.‎ Rear back density 40 kg/mc non-deformable, thickness 10 mm.‎ Lumbar support density 25 kg/mc, thickness 30 mm.‎ Armrests density 50 kg/mc, thickness 10 mm.‎ Wadding 280 gr/Sq m.‎ CFC-free.‎BaseSwivel four spoke chromed base.‎ Anti-slip glides assembled.‎Available FSC® certifiedDarwin is an upholstered, height-adjustable and swivel office chair with a steel base and wheels, characterized by comfort, design and premium finishings.‎ Darwin’s office chairs collection is made up of a structure that anatomically supports the body and favours relaxation, promoting a work concept which aims at people’s wellness.‎ The backrest is available in three heights.‎