The new pattern design increases the contact area and miaximises the edge effect on the ice surface. 1. Zig-Zag shaped main grooves Edge effect (ice performance) 2. Wide centre rib Increases the contact area (ice performance, stability on dry surface) 3. Zig-Zag shaped additional grooves Edge effect (ice performance, snow performance) 4. Micro Diagonal Sipes Edge effect (ice performance) 5. 3-D Triple Sipes Increases the contact area (ice & snow performance)