Continental's ultra-tough Gator Hardshell combines 3 flat-protection technologies into the ultimate distance and training tire. It features a flat-busting, bead-to-bead layer of DuraSkin and an extra-wide Poly-X Breaker anti-puncture strip. But Conti wasn't done yet. They added material in the tread to improve mileage and lend another level of puncture resistance.
Combining the bead-to-bead protection of DuraSkin with the additional tread strip puncture resistance of PolyX, Continental's Hardshell is like an impenetrable rolling fortress. It's an excellent choice for a long-lasting, flat-resistant training tire.