This is the continental top contact ii 700c commuter tyre designed specifically for serious touring cyclists and commuters alike this tyre has a new and improved tread patters for a smoother cornering feel and faster rolling new materials and modern design features make this tyre seem ahead of its time continental has used their safetysystem breaker which is a kevlar reinforced high strength nylon fabric under the tread which without raising weight or rolling resistance noticeably protects