The removable Reflex walk liner makes this the ideal binding for riding park. No more running across hot pavement of worrying about stepping on rocks or thorns, the durable Trek liner with articulating grooves provides comfort and durability on any surface. The adjustable upper Velcro strap makes it easy to get in and out the bindings and the lower lace system locks you in for a nice secure ride. **Liquid Force 4D bindings are ONLY compatible with Liquid Force wakeboards that feature the Flex Track mounting channel**