HO Proton Kneeboard The HO Sports Proton Kneeboard combines easy handling, rider-friendly comfort, and versatile performance for the whole family. Its one-size-fits-all design features a surf-inspired shape that delivers smooth wake cuts, predictable turns, and stable landings. Deep tracking channels help the board hold a clean edge and maintain control across the water, while the retractable fin system lets riders adjust the board’s performance. Deploy the fins for stronger tracking and more aggressive control, or retract them for easier surface turns, spins, and hydro slides. The PowerLock single-locking knee strap provides a secure, comfortable fit without complicated adjustments. An integrated Easy-Up handle hook also helps new riders get into position and makes deep-water starts easier. Features One-size-fits-all design Surf-inspired shape for smooth, predictable handling Retractable fin system for adjustable control Deep tracking channels for stable landings PowerLock single-locking knee strap Easy-Up handle hook for easier starts Great for beginners, families, and progressing riders
