Streamline Proton Boost - 2026 OTB Open X-Outs Horizon plastic is a combo

Horizon plastic is a combo containing two strikingly different color variations

and each one has different variations within the disc

or out on the course

5" in size

Streamline Proton Boost - 2026 OTB Open X-Outs Horizon plastic is a comboOTB Open Proton Boost An overstable control driver that combines distance and control. Eagle McMahon has been seen throwing the boost and it can handle power! The Proton plastic is amazing feeling and has a ton of durability. This is a great slot in the MVP Streamline lineup, slotting nicely between the Tesla and Flare as a 10 speed. Should be one of Streamlines most loved discs when all is said and done. Make sure you test out the OTB Open Proton