Built around Hyperlite's custom last technology, tallest cuff height, mid-range ankle flexion. Progressive Wakeboarding Footwear. Lighter, Stronger, Better. Key Features of Hyperlite Process System Wakeboard Boots<br> 2-Part ConstructionFully Lasted FitEVA Lite + OutsoleEVA Heel Impect ProtectionEVA Memory Foam InsoleTraditional Lacing SystemRemovable Power StrapHeat Moldable Memory FoamHyper-LinerThermo Formed TongueForefoot Lace LeverageTaller More Supportive Cuff with Midrange FlexionFlex Meter: 4/10