The most popular plastic for Latitude 64 is the Opto plastic. It's pretty colors along with translucent look makes Disc Golf players flock to the Opto River Pro.
The Opto River Pro is a control Fairway Driver that was revamped from the disc River. This disc has added stability to become a trustworthy with a slow and steady fade. The River Pro was made be to be tested in the winds, but has slightly less glide than it's brother. It's a wider diameter disc than normal and is the bread n butter of Latitude 64 Fairway Drivers just like the Teebird is for Innova.
Please note that the flight numbers stamped on the discs are incorrect. The accurate flight numbers are posted below.