The Cooper Zeon RS3-G1 All-Season 305/35R20XL 107W Car Tire is our best, most advanced, all-season high performance tire designed for owners of performance vehicles that drive year round. The Cooper Zeon RS3-G1 is crafted with leading technology and innovations that meet the needs of the high performance consumer. The tire's wide, flat tread arc creates a stable, square footprint, which provides plenty of road gripping rubber. The tire's tread design contains a whole host of leading innovative features to enhance grip, stability and durability. The 3D Micro-Gauge Siping is Cooper's trademarked technology used to stabilize the tread elements and provide remarkably responsive handling. The 3-D Micro-Gauge Sipes provide stability and traction in both wet and dry conditions. They extend the full-depth of the wearable tread which also enhances the worn appearance and contributes to even treadwear throughout the life of the tire. The performance of the Zeon RS3-G1 begins at the molecular level and in the coupled silica tread compound. The Coupled Silica Tread Compound used in the RS3-G1 is specially formulated to provide maximum dry and wet traction enabling the tire to grip and hold the road in all kinds of driving conditions. The Zeon RS3-G1's attractive tread design isn't just for looks! There is more rubber on the outside shoulder and intermediate rib to grip and provide stability during cornering maneuvers, not to mention to reduce tire noise. No matter if you are driving on dry pavement, wet pavement, or even light snow conditions the Cooper Zeon RS3-G1 is truly an all-season ultra-high performance tire.