Hamasaki launched her own fashion brand, MTRLG (Material Girl), in 2001; the clothes were sold at MTRLG boutiques and at Mise S*clusive stores.
Hamasaki lancerede i 2001 sit eget tøjmærke, MTRLG (Material Girl), tøjet blev solgt i MTRLG butikker og i Mise S*clusive butikker.