The Continental Gatorskin is the ultimate training & racing tire where puncture protection is a priority. Using the latest proprietary technology against flats the Gatorskin range uses PolyX Breaker and DuraSkin sidewall protection. The Gatorskin tire is made for the long haul. Backed by PolyX Breaker, a tried and true puncture protections system and the DuraSkin anti-cut fabric turn the Gatorskin into a true long distance runner. Features: The Gatorskin, manufactured with a durable carbon black The polyester fibers overlap during manufacturing, yielding a very dense fabric and minimal Resistant polyester woven fiber Puncture resistant Kevlar belt to reduce chance of flats. Duraskin fabric & Kevlar to boot