The Reformation Margarita Slingback Heels marry sleek design with comfort, offering a versatile option to elevate any outfit with effortless sophistication. The Reformation Margarita Slingback Heels marry sleek design with comfort, offering a versatile option to elevate any outfit with effortless sophistication. 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.