Oh-la-la, Joelle. Subtly puffed sleeves, a v-neckline finished with a tie detail, and a free-flowing fit make this top easy, breezy, and ready for anything. Oh-la-la, Joelle. Subtly puffed sleeves, a v-neckline finished with a tie detail, and a free-flowing fit make this top easy, breezy, and ready for anything. 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.