It's all in the name, ThickSlick. A burly casing designed to withstand the roughest urban conditions paired with a slick tread design that provides the bite you need in the concrete jungle with impeccable style. No-nonsense, slick design provides optimal traction on rough streets. Thick rubber casing protects agains damage from glass, pins, staples, and other urban unpleasantries. Twice the rubber makes for a smoother ride through the natural absorption qualities of the material. Comp: Durable casing with wire bead and DNA rubber compound (60a). Double-thick tread layer for puncture resistance.