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!