WTB ThickSlick Tire - 700 x 28 Clincher Wire Black Flat GuardIt'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