The Matrix is a moderately overstable GYRO™ midrange designed after overwhelming demand by loyal MVP disc fans. It is a fast and smooth, large-diameter midrange driver with responsive overstable flight for a broad power spectrum.
 
Proton is a beautiful and durable blend in the MVP line. Like all MVP discs, Proton has two seperate plastics; a transparent flight plate in vivid colors, and a black solid outer rim.