The GT Radial Champiro UHP A/S is for drivers who are looking for an ultra high performance tire and also need the practicality of all-season performance and better wear life. The advanced and stylish tread design delivers in dry, wet and light snow conditions and is backed by a 45,000 mile tread life warranty. The advanced Nanometer Silica tread compound improves grip and the full depth sipes aid in providing all-season performance.