New Cascade S OSFM Elite Lacrosse Helmet Green Yellow Official Helmet of MLL 8 What makes the YB51B model expert craftsmanship What makes the YB51B model different from the other models is the highly complex Sci Fly technology low profile outsole features nine metal cleats for optimum traction & stability Forefoot flex grooves ensure appropriate flexibility for true biomechanical performance XFLO offers the best in class ventilation by allowing cool air to flow through the helmet and out the rear exhaust doubling breathability Balance Point Technoloy moves the center of gravity to the middle crown in order to keep helmet weight balanced and aligned