The Starfire Solarus AS has an advanced all-season tread design that provides traction in wet, dry and winter conditions.. In addition to long-mileage, the tread is designed to reduce noise to provide a quiet-running tire at highway speeds. The tire's deep, lateral shoulder slots help ensure excellent traction throughout the life of the tire. Spiral nylon overwrap in the tire helps improve the tire's contact footprint with the road. The solid center rib tread design provides a smooth ride and controlled handling. The Starfire Solarus AS All-Season Tire is optimized for all-season performance for cars and CUVs.