2'' Modern heel with dual density top lift. The bottom layer is softer and provides shock absorption while the top layer is hard and grooved for stability and traction. Polished and refined techniques hide built-in reinforcement and comfort features without altering the look or performance. Non-toxic, moisture absorbent and antifungal this recycled content open interlinking cell foam has memory and quick recovery after repeated or long wear. Performance Cushioning is featured throughout the shoe with a thicker cookie under the heel for added comfort.