The RIO Grand is one half a line size heavier than the AFTMA standard and features more weight distributed towards the front of the line to easily load fast-action fly rods. AgentX Technology gives maximum floatation, and XS Technology produces a wonderfully slick, dirt-repelling finish for easy distance. Super Floatation Technology ensures the line tip stays afloat. Built on a braided multifilament core that keeps the line supple in coldwater conditions, and features welded loops on both ends for easy rigging. Also incorporated is RIO’s DualTone with a different color running line and head to easily determine the loading point of the line.