The Reformation Lemmy Knit Tank Top is a slim, fitted style with a scoop neckline and ruffled straps. The Reformation Lemmy Knit Tank Top is a slim, fitted style with a scoop neckline and ruffled straps. 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.