Designed to be fitted at waist with an A-line shaped silhouette, the Lydia Mini Skirt by Reformation is also designed to garner compliments. Designed to be fitted at waist with an A-line shaped silhouette, the Lydia Mini Skirt by Reformation is also designed to garner compliments. 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.