The Reformation Shyla Dress features a sweetheart neckline with a tie detail and puff sleeves with ruffle trim. The Reformation Shyla Dress features a sweetheart neckline with a tie detail and puff sleeves with ruffle trim. 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.