Outline 3 1/2-Seater/ Black Base represents a timeless and elegant lounge sofa, designed by Anderssen & Wall from Muuto. The sofa's narrow armrests and back are created to maximize the seating area and thus improve comfort. Outline 3 1/2-Seater/ Black Base is made of a wood and steel frame, it has seat and back cushions that are filled with cold foam to provide optimal comfort.