NRS Desperado Wetshoe Synthetic The 3-mm high-traction sole features a 2-mm plastic shim for outstanding protection from rocks and roots on the shore Stretchy 3-mm Terreprene neoprene gives you lots of cushion and warmth. No more cold, bruised, battered feet and ankles Soft, fleece-like VaporLoft lining repels water and dries instantly for superior warmth and comfort A roomy, naturally shaped toe box frees your toes for all-day comfort Stretchy rubber support bands improve lateral stability without adding volume