Dana's so classic. Reformation's fine-gauge cashmere-blend sweater features a crew neck and a subtly cropped fit. Dana's so classic. Reformation's fine-gauge cashmere-blend sweater features a crew neck and a subtly cropped fit. 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.