Water friendly synthetic padded straps with a soft webbing lining for extra comfort. No back strap. Contoured EVA footbed. Lightweight and durable high density EVA outsole. Available in 3.kids, 9.kids, 5.kids, 7.kids, 8.kids, 10.kids, 11.kids, 12.kids, 1.kids, 2.kids, 4.kids, 5.kids, 13.kids.