The Reformation Tefi Top features a cutaway front with eye-catching knotted detailing for a modern, sculptural touch. The Reformation Tefi Top features a cutaway front with eye-catching knotted detailing for a modern, sculptural touch. Founded in 2009, Reformation is a revolutionary lifestyle brand combining stylish, vintage-inspired designs with sustainable practices. With each limited-edition collection, the LA-based brand empowers individuals who want to look beautiful and live sustainably.