No. 21 F/W 15 Men's is a runway show by the brand No. 21, designed by Alessandro Dell'Acqua. The show took place on January 18, 2015, during Milan Fashion Week F/W 15 Men's. Caterina Matteucci served as the casting director for the event, which featured a cast of 25 models. This collection was part of the Fall/Winter 2015 season.