FOR EUROPEAN-STYLE NYMPHING Built to FIPS Mouche standards, but designed to simply catch fish, the Mastery Competition Nymph line is as simple as it gets: 80 feet of level line. It doesn&';t matter if you&';re in an international competition, or just trying to outdo yourself, the Competition Nymph line will perform, fish after fish. Specifically designed for European-style nymphing, if you&';re looking for the thinnest, most sensitive line available, look no further. Ultra-thin level-line design for premium performance and sensitivity For use with rods 0- through 5-weight Meets FIPS Mouche competition specifications For use in moderate and cold climates Monofilament core Comes with braided loop connection