· Seat and backrest structure. Solid beech wood and birch plywood. · Armrests structure. Solid beech wood. · Suspension. Backrest: elastic belts. Seat: zigzag steel springs. · Padding. Backrest and armrests: padded with polyurethane foam and polyester wadding. Seat: polyurethane foam padding. Seat cushion: goose down and polyester wadding with a stabilising polyurethane foam insert. · Feet. Beech wood in a wenge stain (20). · Upholstery. Entirely in Pelle Frau® (also in a two colour version)**, in fabric or in a combination of two materials. The first upholstery mentioned below is applied to the external structure and the second to the seat cushion and the internal surface of the backrest. - ColorSphere® (SC) bicolour** - ColorSphere® / Cavallino - ColorSphere® / Fabric A - ColorSphere® / Fabric B - ColorSphere® / Fabric C - ColorSphere® / C.O.M. - Heritage / Cavallino - Heritage / Fabric A - Heritage / Fabric B - Heritage / Fabric C