Zephyr (Classic RBC Disc) – If you’re an RBC Alum or have been on campus, you will recognize this classic disc! The Zephyr is a throw and catch disc. The Zephyr is great at the beach, at the park or on the disc golf course. The Zephyr has a very straight and true flight characteristic. The Zephyr’s Thumtrac® gives it extra durability and a great grip, especially for sidearm throws. It’s an ideal disc for playing catch at the beach.