The Starfire Solarus HT All-Season 235/75R15 109T Tire has been engineered to deliver strong highway performance from its concise, symmetrical 5-rib highway pattern that improves even treadwear to its Wet Grip Grooves and Traction Sipes that deliver impressive all season traction. Designed for even treadwear and a Quiet ride. over the life of the tire, with excellent all-season traction and a great 50,000 mile warranty at an affordable price.