The SST 5 Select Classic is packed with high-end performance features you'll love, including interchangeable soles and braking heels for custom control. Foam padded tongue and collar with soft, durable microfiber suede lining. Spandex tongue straps hold tongue in place for a secure fit. Replaceable cushioned footbed. Power Pivot push-off sole with Duratip. Yellow flex bar allows for maximum push-off. SST's wider, flatter sole with two interchangeable sliding soles and two interchangeable braking heels for custom control.