· 1.Fabric· 2.Breathable and durable air mesh upper allow the foot to breathe.· 3.Open mesh on the upper and hole on the sole provides for superior breathability and quick drying.· 4.OCCASION - beach, swimming, pool, wake-boarding, sailing, boating, kayaking, windsurfing, cycling, jogging, walking, fishing, beach volleyball, gardening, lawn, car-washing and driving. Family outings!· 5.Feel free to contact us if any questions before ordering and after-sale issues!