The Reformation Miri Top is a lightweight, versatile piece with a flattering V-neckline and front tie detail. The Reformation Miri Top is a lightweight, versatile piece with a flattering V-neckline and front tie detail. 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.