XTRATUF 16″ Insulated Neoprene Boots will give you flexible, all-day comfort and the best protection against the broadest range of acids, corrosives, and contaminants. Only XTRATUF neoprene pacs offer a “total protection shield” of seamless, watertight protection for the most severe fishing, farm, and work conditions. XTRATUF 16″ Insulated Neoprene Boots feature built-in foam insulation for extra warmth.