lycra Rubber sole EASY ON and OFF:Smooth neck design prevents chafing when wearing our water shoes. It is convenient to wear and take off. QUICK DRY: Durable rubber sole protects your feet from being hurt by sharp objects.With the holes for water flowing out fast,create a cooler and healthier shoe environment. COMFORTABLE:Breathable upper with soft stretchy lycra material for fast draining and cross ventilation,flexible and comfortable. LIGHTWEIGHT:Ultra lightweight and compressible for easy packing,convenient to take it anywhere. OCCASION:Perfect for beach, swim, pool, surf, sailing, boating, kayaking, windsurfing, beach volleyball,yoga, running,walking, weight training, water aerobics sports etc.