This full grain leather upper with leather lining and a Velcro® lace cover comes with our Ultra Lite RDS™ technology which makes it possible to change and customize your slider with any combination of our sliding disks. The sliding disks are attached to the shoe by way of Velcro® making it easy to change or replace your disks. Comes with two gripper disks and a slip-on gripper. Sliding disks sold separately.