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(TM) 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.