Structure: plywood padded with non-deformable polyurethane foam covered with doubled protective fabric.
Base: in metal Black Sablé colour, Sand Sablé colour or Greige Sablé colour. On demand metal Burnished colour or metal Titanium colour.
Cover: removable in fabric, fix in leather. For the leather version for models 18107 and 18108 the leather is sewed in three sections.
Piping: same material and colour as the cover. On request in contrast exclusively in Grosgrain.