RARE Matisse Alexa White Studded Derby Vegan Leather Oxford Shoes 9.5 GUC. These gorgeous slip-on oxfords are vegan leather and can be dressed up under your favorite flowy dress, or dressed down with your favorite jeans. There are a few marks on the toe (pictured), but otherwise in great shape. Purchased directly from Matisse, one owner. Worn only a handful of times.