The high-performing RIO MainStream Saltwater Fly Line is an all-purpose choice perfectly suited for fly fishers fishing in temperate-to-tropical conditions for multiple saltwater species. This weight-forward floating fly line features a hard tropical coating that will not soften in the harsh tropical heat. RIO's MainStream Saltwater Fly Line is designed similar to the RIO Clouser line where a reverse compound taper and bullet front taper allows anglers to effortlessly turn over big, heavy flies into the wind. All-purpose line Ideal for temperate-to-tropical conditions Weight forward floating line