Astral Women's Porter Outdoor Shoe for Boat, Water, Casual, and Travel Women's specific casual watershoe for sailing, kayaking, SUP paddling and everyday use Wet-Grip G.15 rubber outsole provides maximum surface contact and razor-siping for excellent grip. Non-marking. 1000D Cordura nylon uppers provide lightweight and long lasting protection from abrasion, sun and salt 2mm Airmesh at tongue and vamp for ventilation Slit at heel for water and sand drainage.