Performance Power-Grip Yoga Mat (4mm)Specifically designed to blend cushioning and stability, the Performance Power Grip mat is constructed of 100% natural rubber with a specialized stabilizing core that prevents bunching and stretching, while providing a firmer, denser foundation. Both grounding and supportive, this 4mm mat also offers an amazing fabric like texture that provides incredible grip. Premium mat with a fabric like texture for superior grip Internal scrim prevents bunching