From Sperry, the Men's Billfish Slip On Boat Shoes feature: A sportier silhouette is crafted from premium leather, with mesh paneling for breathability Elastic detailing makes these easy to slip on or off  Billfish Slip On sees their iconic boat shoe reimagined with an emphasis on comfort and convenience Fabric lining Full-length cushioned midsole for superior comfort and support Their famous Wave-Siping™ outsole for wet and dry traction Imported.