When cooler, overcast, tailing redfish are trying to warm up on the mud banks, you need the line that performs in the lowest of temperatures . The Scientific Anglers Amplitude Smooth Redfish – Cold line does just that. The Short half line heavy head loads rods quickly for shorter precise casts. The smooth AST Plus coasting gives you the ultimate in smoothness and control though the guides. Made specifically for north Florida, Louisiana and Texas coast.