As you are undoubtedly aware, wading shoes have become the source of controversy in recent years. Many fisheries managers blame the use of felt-soled boots and poor cleaning efforts of anglers for the widespread introduction of disease and invasive species to some of the world's most prized fishing waters. These factors have prompted most wading shoe manufactures to offer rubberized soles on the boots. Many anglers report that the newer sole designs don't provide the traction to which they have grown accustomed with felt. When inserted into your boot or wading sandal soles, Sole Spikes™ make a marked improvement in your traction and wading confidence. Sole Spikes™ work equally well in felt soled waders as they do in rubber soles.