Now a unbeatable TRAXION rubber grip, this rugged laceup canyoning boot has even more grip in water. The TPU shell is lined with a neoprene bootie. Visible shoe size on heel for easy reference. Upper: Neoprene inner bootie for optimal climate in wet and cold conditions. Upper: Shoe size displayed on the rubber heel cap for easy reference. Upper: Wide neoprene opening for an easy step in and step out. Midsole: adiPRENE insert for comfort and shock absorption. Outsole: Water specific Outsole featuring TRAXION for unbeatable grip. Material: Synthetic.