- All Season Silica-Based Compound - For Improving Wet And Dry Traction Without Sacrificing Treadwear - Rim Protector - Protects The Wheel Rim And Helps Resist Lateral Deflection While Providing Superior Handling Control And Enhanced Cornering - Circumferential V-Groove- Promote Proper Water Drainage Without Impacting Cornering Grip - Solid Center Rib - Provides Stable On-Center Feel And Outstanding Wet Traction During Cornering