The Reformation Casette Dress is made of delicate, breathable silk and feels like you're wearing nothing at all. Featuring crossover back straps, a high cowl neckline, and side ruching, this sleek midi dress is an elegant choice for any event. The Reformation Casette Dress is made of delicate, breathable silk and feels like you're wearing nothing at all. Featuring crossover back straps, a high cowl neckline, and side ruching, this sleek midi dress is an elegant choice for any event. 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.