This heavy-duty lace-up water shoe climbs and grabs wet, rocky surfaces with the unbeatable grip of a Stealth rubber drainage Outsole. The breathable Upper is fit with a comfortable EVA tongue. Upper: Open mesh nylon for best breathability and quick drying. Midsole: adidas Drainage System (a. D. S. ) for maximum water drainage. Outsole: Water specific Outsole featuring STEALTH rubber for unbeatable grip. Material: Textile.