Diadora Men's Mythos Axeler T Running Shoe 100% Mesh Rubber sole Removable, anatomically shaped insole in Elaston with anti-bacterial treatment Double Action II inserts in the forefoot and heel area for shock absorbtion Axeler technology features a Tech Alloy thread-like frame to ensure a more natural flexion while propeling the foot forward CCB Power Flow shank ensures proper midfoot rigidity while enhancing breathability