Orvis SuperStrong Plus Trout Leader - This tapered fly fishing leader offers unmatched elasticity, knot strength, and suppleness. Meet the ideal all-around freshwater material. The knotted strength of SuperStrong™ is higher than any other nylon material, meaning when that big brown chomps on your hopper, you can finish the fight without fear of breakage. With a perfectly-balanced blend of elasticity, knot strength, and suppleness, SuperStrong is versatile and adaptable.