Vulpine S is the gravel revamp of a proven semi-slick mountain tread with years of swift efficiency under its belt. The slick centerline decreases rolling resistance while its round tire profile is packed with short tightly-spaced knobs to provide predictable cornering traction on hardpack terrain. The Vulpine S is the fastest tire made by WTB.Similar design as the beloved Vulpine Gravel tire with the exception of a smooth centerline for increased speedLow tightly spaced transition knobs with plenty of working edges to provide braking and cornering traction bothon and off the pavementRound tread profile to allow smooth cornering on pavement hardpack and dirt100% Recycled and Recyclable Packaging