Air Fun Pop Flip-Flops Shower Beach Sandals in Cheery Colors for Women Rubber Material: Water Resistance EVA sole for Unbeatable Comfort EVA is one of the best shock absorption materials available today. This is why all the major top-line brand joggers use this material, due to the great combination of shock absorption with the light weight of the sole. Lightweight comfortable design. Traction outsole Great for Beach, Spa, Shower, House or Anywhere Color may vary slightly different due to the color calibration of each individual monitor.