Adidas Volley Light Womens Volleyball Shoe Synthetic Heel measures approximately 1.5 inches" SPRTIN PLATE: Propulsion plate delivering additional power for explosive movements. Stabilizing and guiding the foot during jumping and landing. ADIPRENE: Midsole insert for comfort and shock absorption. AIR MESH: Providing breathability for maximum ventilation. GUM RUBBER: Non-marking compound provides excellent grip on all indoor surfaces.