1) Asymmetric tread pattern - Places more rubber on the outer shoulder to deliver exceptional lateral grip. 2) Extreme Silica+ tread compound - A race inspired tread compound engineered with maximum levels of silica to grab hold of slick pavement. 3) 360 degree variable sipe technology - Distinctive full depth and interlocking sipes provide biting edges for improved traction in wet and snowy conditions. 4) Helio+ technology - Advanced rubber grips the road even in freezing conditions. 5) Biting edges in the tread grooves grab loose snow to help control acceleration and braking in winter conditions.