The Reformation Briony Sleeveless Midi Dress is made from lightweight georgette fabric, featuring a fitted bodice and flowing A-line skirt for an effortlessly elegant silhouette. The Reformation Briony Sleeveless Midi Dress is made from lightweight georgette fabric, featuring a fitted bodice and flowing A-line skirt for an effortlessly elegant silhouette. 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.