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. Features and Benefits Full-grain leather upper with classic styling Comfortable and durable Full leather lining Breathable and molds to the shape of your foot Anti-slip softened leather heel counter keeps your heel in place which prolongs wear and increases accuracy Full metal eyelets with lace cover Comes with additional insoles for increased arch support and optimal fit Uses RDS Technology which allows you to customize your sliding surface