Level up your look with the Lulus Riana Black Lace-Up Platform Boots! Smooth faux leather shapes these trendy boots that have a rounded toe and a lace-up mid-calf shaft with a 5"" zipper on the side and pull tab at back. Chunky platform sole gives these boots some major utilitarian vibes! 3" rubber block heel. Cushioned insole. Rubber sole has nonskid markings. Man made materials. Imported. Lulus | Riana Black Lace-Up Platform High Heel Boots | Size 11.