Sperry Men's Gold Cup Ultra Boat Shoe Leather Imported Rubber sole Sperrys patent-pending, Anti-Shock and Vibration technology (ASV) reduces the effects of shock by up to 30% for optimal performance Luxury lambskin linings surround the foot in ultra-soft and enduring comfort 360 lacing system with 18K gold plated eyelets provides a secure, customized fit Lightweight, sculpted EVA midsole provides cushioning, comfort, and shock absorption Non-marking rubber outsole with molded Wave-Siping provides ultimate wet/dry traction