The Sperry Top-Sider Fanthom Fisherman features AEGIS Microbe Shield for Odor Control Protects Against Bacteria that Cause Odor. Removable Full Length Molded Footbed for All Day Underfoot Comfort. Low Water Absorption Materials and Waterproof Leather are Quick Drying. Molded Polyurethane Cushion Midsole for All Day On Your Feet Comfort for the Life of the Shoe. New Hydro-Grip Rubber Traction Compound for the Ultimate in Wet/ Dry Traction. Non-Marking Rubber Outsole with Quadro-Grip Multi-Directional Wave-Siping for Added Wet / Dry Traction