Metallic frame, knock down structure, “Intelligent System” comfort to be choosen: soft, medium or firm. Double seat inclination: you can choose 2 options, horizontal or inclined. Seat in 100% down feather with interior in “Viscoelastic” (extracomfort “memory foam” 55 Kg/m3 polyether), back in a combination of polyether/fiber/down feather and cushions in down feather/fiber. Option: seat in “Viscoelastic” /back in polyether. Footstool in polyether. Completely removable covers. Cushion to rase the back cushion 8 cm. Modular elements and corners. Different options of feet, seat and back cushions.