The Ottessa Dress by Reformation features a keyhole cutout offset by long sleeves, a high neckline, and mini length. Pair with loafers or knee-high boots for a perfect fall look. The Ottessa Dress by Reformation features a keyhole cutout offset by long sleeves, a high neckline, and mini length. Pair with loafers or knee-high boots for a perfect fall look. 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.