96%Polyester+4%Spandex Imported Rubber sole Breathable and smooth fabric upper. Like socks, flexible and comfort. Soft and elastic shoe mouth, convenient strap, easy to put on and take off. Stretch material, compressible and foldable, taking to outdoor easily. Exclusive rubber sole, anti slip. Reinforced toe cap, more durable. Variety of styles perfect for beach, swim, pool, ocean, water aerobics, diving, sailing, boating, kayaking, surfing, yoga, jogging, walking, fishing, beach volleyball, long-haul flight, driving car, necessary equipment for vacations.