Black Flat Ankle Boots Who doesn't love a Chelsea boot? Taking a much-loved design and offering a premium finish with its soft cow leather construction that's burnished for an authentic finish, Storm from Carvela is a wearable ankle boot with a curved toe and 3cm leather stack heel for utmost comfort while worn. Complete with a 30cm ankle circumference and 11cm boot shaft height, this classic black boot is ever versatile, with its pull-on design offering quick on/off for ease. Perfect for everyday wear, and neatly finished with branded stud detailing to the back of the tab.