The Firehawk AS is Firestone's High Performance All-Season tire developed for drivers of performance sedans, sports cars and sporty coupes who desire performance handling in dry and wet conditions and want to be able to drive their vehicle all year, even in light snow.The Firehawk AS features an asymmetric tread design comprised of a silica-enhanced, Long Link Carbon tread compound. An increased number of full-depth grooves and sipes help deliver confident performance longer into the tire's life, while the greater quantity of channels improve water evacuation for greater hydroplaning resistance. The Firehawk AS boasts 20% more biting edges than its predecessor, enhancing grip in light snow.The tire's internal structure consists of a 1- or 2-ply (depending on size) polyester casing supporting twin steel belts. The wide, high-tensile belts are reinforced with a spirally-wrapped nylon casing ply to improve handling precision and high-speed capability.