The Ronix RXT Red Bull Wakeboard Bindings are a collaboration between Ronix, Massi Piffa, and Red Bull. This closed-toe park-forward boot features a heat-moldable Intuition Liner, Pro S.O.L. E technology, and a BrainFrame base to provide the instant energy transfer from both heel and toe sides, along with the wiggle-free fit and pinpointed flexibility that high-performing wakeboarders need. BrainFrame Technology â A footwear breakthrough in fit, function, and interchangeability. Delivers instant response and redefines high end boot fit. Secures the foot from the bottom up. Instant energy transfer reducing rider fatigue and energy loss. Pro S.O.L.E. â Reacts faster, boosts higher, and lands softer. AutoLock Technology â Guaranteed to lock into your ideal fit. AutoLocks have a soft-touch pull handle and a fully rotational locking wheel for ease and durability. FlexForm 3D Heel and Toe â Automotive-grade elastomer designed to withstand extreme tear and tinsel strength while providing flex and movement to the rider. Carbitex CX6 â An American made flex pattern, real carbon fiber, providing extreme reaction in a flexible form. Heat Moldable Intuition+ Liner â The pinnacle of custom fit boots. A level of fit and control only found in a Ronix boot. Pizza Boy Pin and Custom Red Bull X Massi Badge Pro S.O.L.E. reacts faster, boosts higher, and lands softer BrainFrame base provides instant energy transfer reducing rider fatigue and energy loss AutoLocks with soft-touch pull handle and fully rotational locking wheel | Men's RXT Red Bull Bindings