The structure of the John-John sofa is made of solid ash with a central iron crossbeam. The backrest and armrests, padded with polyurethane foam and polyester wadding, are made of solid ash and poplar with multi-layer poplar and birch panels. The cushions are padded with soft goose down and covered on the back with micro-perforated Pelle Frau® leather. They adapt to the body's movements and emphasise the feeling of a warm and comfortable seat. The seat is sprung using elasticated straps. Feet made of aluminium with a ruthenium finish and protective caps made of transparent plastic material.