The all-new Vector 4Seasons UHP road tire utilizes the latest developments in materials and construction methods to optimize performance across a wide range of conditions. Dynamic:Silica4 Compounding for Multi-Condition Grip Lightweight Reinforced Casing for Improved Durability Tube-Type Wide Range of Sizes to Optimize Your Ride Dynamic:Silica4 Enhanced wet grip, reduced rolling resistance and longer wear. R:Shield Breaker A layer of puncture protection located under the tire’s tread cap. Our R:Shield under tread belt offers excellent puncture protection while allowing the tire to remain supple to maximize performance and comfort. R:Armor Protection Combining excellent anti-cut properties with minimal impact on casing suppleness and weight, Armor protection enhances the Vector 4Seasons UHP road tire’s capabilities across a wider range of conditions.