The Westerly Dress by Reformation is a darling daydream. Ethereal and elegant, this body-skimming maxi gown features tie shoulders, a fitted bodice, and a breezy side slit for an added dose of enchantment. The Westerly Dress by Reformation is a darling daydream. Ethereal and elegant, this body-skimming maxi gown features tie shoulders, a fitted bodice, and a breezy side slit for an added dose of enchantment. 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.