Outak Rubber Shoes, Waterproof Rubber Shoes, Anti-Slip Rubber Boots with Breathable Neoprene LiningNOTICE Outak Rubber Shoes. PLEASE CHECK THE SIZE CHART AND MEASURE TO CHOOSE THE RIGHT SIZE BEFORE PURCHASE. Pay attention to Insole Length. 100% Waterproof The Outak fishing deck boots are made of neoprene and soft rubber material which provides 100% waterproof performance and extra durability Professional Non slip Design The traction texture design on the sole of the boat boot gives amazing grip on wet and slippery surfaces. The micro channel