John Lawrence Sullivan is a contemporary menswear brand founded in 2003 by former professional boxer Arashi Yanagawa in Tokyo, named after the legendary heavyweight champion. The brand blends high-quality Japanese fabrics with sculptural tailoring and asymmetric silhouettes, merging masculinity and sophistication into its aesthetic. Since debuting in 2010, the label has expanded into womenswear and showcased at Tokyo, Paris, and London Fashion Weeks. Drawing inspiration from industrial music, architecture, and punk subcultures, its runway collections feature experimental cuts and layered designs that make a bold statement.