Institution by Galib Gassanoff S/S 26 is a runway show presented by the brand Institution by Galib Gassanoff. The show took place on September 25, 2025, during Milan Fashion Week S/S 26 Women's. Galib Gassanoff served as both the designer and creative director, while Barbara Nicoli and Leila Ananna were the casting directors. The cast included 23 models and the show has recorded 502 views on its available stream.