Gummy STRAPS: The closure you’ve been yearning for Gummy Straps are a simple solution to a problem that has afflicted wakeboarding boots since the very beginning. In technical terms, Gummy Straps are super strong, high-tension Thermoplastic Poly Urethane (TPU). In rider's terms, Gummy Straps are a rad new way to synch your boots tight and keep them tight no mater how long you ride or how hard you crash. No more loosening over time, no more Velcro, no more cumbersome closure systems: Gummy Straps stretch when you fasten them, then squeeze your boots tight as you ride. They're also easily interchangeable and each boot comes with two sets of colors so you can customize your style.