"Better Starting Grip in Icy Conditions. A special Winter Flex Compound, specially formulated to maintain its grip under the most extreme cold-weather conditions, including snow and ice, to help deliver better starting grip and shorter stopping distances."
"Better Traction In All Winter Conditions. Cross Z-Sipes Technology uses a specially designed curve that locks the sipes in place, helping to provide improved grip on snow and ice. And because the sipes are full-depth, their grip lasts winter after winter."