- Increased Total Kerf Length - Maximum winter performance is ensured by enhancing the kerf edge effect on snowy or icy roads. - Semi Kerf - Numerous semi kerfs in the circumferential direction improve the lateral stability on snow & icy roads. - Wide Groove - Increased snow traction secures good snow and water drainage. - Center Block - Block in the center area that consists of a series of the rib forms improves dry/snow & ice traction. - Optimized Block Stiffness - Optimized block boosts handling and braking performances. - Computer-Derived V-shaped Tread - Deeper tread for winter traction. - Winter Tread Compound - Plus special rubber layer for stud settings. - Wide High-Tensile Steel Belts - Enhanced tread strength for fast steering response and long tread life. - High-Strength Bead Construction - Maximum steering response, high-speed stability and durability.