The Reformation Yves Dress is a knit mini crafted from a Tencel blend with an A-line silhouette. The Reformation Yves Dress is a knit mini crafted from a Tencel blend with an A-line 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.