Designed for memorable moments and special events alike, the Reformation Belden Mini Dress features a slim silhouette with a crew neckline. Cap sleeves complete the look. Designed for memorable moments and special events alike, the Reformation Belden Mini Dress features a slim silhouette with a crew neckline. Cap sleeves complete the look. 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.