Significant other not required. This cashmere sweater by Reformation will carry you through all the cool months with its relaxed fit and ribbed detailing. Significant other not required. This cashmere sweater by Reformation will carry you through all the cool months with its relaxed fit and ribbed detailing. 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.