Ballerina pumps by butterfly twistsvivienne ballerina pumps by butterfly twists in faux snakeskin they feature a faux leather upper a memory foam insole and the signature skid resistant rubber sole faux leather upper memory foam insole foldable rubber soleabout butterfly twistsbutterfly twists was founded in 2007 as a specialist ballerina and boot brand for women featuring elegant detailing and foldable soles they are great for keeping in your handbag for girls on the go