Proxes T1R Stylish Ultra-High Performance Summer Tire The Proxes T1R is an ultra-high performance summer tire designed for sport sedans and coupes. A refined tread design and construction offer improved dry and wet handling as well as performance. Features and benefits Silica-Reinforced, High-Grip Tread Compound Improves wet performance. Delivers exceptional dry performance. Refined Unidirectional Tread Design Provides exceptional dry and wet performance with a classic design. V-Shaped Main Grooves Disperses water for better wet performance and aquaplaning. Rigid Shoulder Rib-Bands Improves cornering for exceptional dry performance. Reduces irregular wear for a smooth, quiet ride. Parallel Shoulder Slits Helps reduce irregular wear.