Durable doesn't have to be slow. The Gen 2 Re-Fuse features a revised tread pattern a new compound and updated puncture protection to create a faster lighter and even more durable tire.Slick center with micro knobs for cornering controlFull-silica all-season rubber compoundNew MaxxShield represents the ultimate in flat protection beginning with the SilkShield bead-to-bead protection and added K2 (Aramid Composite) layer under the tread for unparalleled durability