Kumho Solus KR21 All-Season Tire - 215/75R15  100T Advanced carbon tread compound delivers outstanding wet and dry grip Nylon belt edge layers provide a higher degree of durability and stability Full-depth sipes cut through water film for greater wet traction and maximize all-season performance Jointless, spiral-wound bead bundles isolate road harshness, provide enhanced comfort and lower vibration ESCOT Tension Control technology increases the tension in the bead and shoulder area, providing improved handling and steering response