NRS Desperado Wetshoe Neoprene, Rubber rubber sole Desperado Shoes provide excellent traction, protection and warmth The 3-mm high traction sole features a 2-mm plastic shim protection from rocks and roots Stretchy 3-mm Terreprene gives you lots of cushion Soft, fleece-like VaporLoft lining repels water and dries instantly Protective rubber on the toe and heel provides extra durability