OPTIMO H426 Tires by Hankook®. Season: All Season. Type: Performance. This premium all-season tire is outstanding in all aspects, including quiet driving, smooth ride, tight grip, improved fuel economy, and great snow performance. Engineered with cutting-edge technology, the OPTIMO H426 can satisfy the strictest performance requirements of the most demanding customers. It will provide you with years of reliable service, while delivering incomparable quality.