Continental introduces the all new WINTERCONTACT SI with Polar Plus + Technology for ultimate grip in snow ,ice and wet conditions.Traction grooves improve snow-on-snow traction and grip.Also features an Alignment Verification system with short swipes on both shoulders of the tire which visually alerts the driver of any misalignment before the tires are ruined + Silane additives in the compound enhance grip on slippery roads and reduce stoping distances.