Reformation is a sustainable fashion brand that creates clothing using eco-friendly materials and practices. The company was founded in 2009 by Yael Aflalo and has since grown to become a popular brand among millennials and Gen Z consumers. Reformation's mission is to make sustainable fashion accessible to everyone, and they have been recognized for their efforts in reducing their environmental impact. The company has a strong online presence and operates several brick-and-mortar stores across the United States.