River is one of Latitude 64 most popular discs. And this thing has GLIDE. It is easy to throw and fits most player’s power and skill levels.
About the Opto Line plastic:
Opto Line is made out of some of the world’s most durable plastics. It comes in a variety of beautiful translucent colors. The Opto Line plastic has been developed to withstand severe punishment and extreme conditions better than other plastics.