Product with an important shape, it has an enveloping structure whose particularity is found in the proportions between the seat and the backrest: The latter surrounds the seat padded with high-density polyurethane foam in different densities like a nest. The Loll 09 armchair with a solid wood structure springing by elastic belts with a high rubber component, is characterized by a removable cover. The Loll 09 G is further embellished by the swivel base with a return mechanism.