Extrasoft Sofa, designed by Piero Lissoni, is a modular seating system. Proportion, harmony and comfort for different possibility of seating combinations. Frame in double-paneled poplar and pine. Black adjustable PVC feet or in stainless steel, with matt satin-finish. Fabric or leather upholstery, both fully removable by Velcro fastenings. The various elements are joined together by means of hooks.