Feature: Hypr Compound: - 120 Tpi Or 170 Tpi Casing Options- K2 Puncture Protection Beneath Tread- The Maxxis High Road Features Our Hypr Rubber Compound Which Reduces Rolling Resistance Without Sacrificing Traction.- Hypr Is A Full-Silica Compound And Our Best-Performing Compound To Date. Compared To Our Previous Road Racing Compound, Hypr Has 16% Less Rolling Resistance With 23% Better Grip In Wet Conditions Impressively. Hypr Decreases RollingKevear Composite: - Available In Select Tires, This Maxxis-Exclusive Fabric Provides Greater Puncture Protection Than Both Standard Kevlar® And Vectran®. The Addition Of This Lightweight And Supple Material Ensures That Ride Quality And Performance Remain Unsurpassed.