Consider Sphaera Slash your permission to push past any limits. The result of decades of research with athletes, Sphaera Slash was designed with an alternative slash lens shape to help reduce cheek crash, and optimizes sport performance through a wide field of view and lightweight O Matter frame. The front vent on the frame provides enhanced airflow while Unobtainium nosepads and molded-in earsocks deliver a no-slip grip for effortless wear with hats and helmets. To experience enhanced color and contrast everywhere you go, Prizm Lens Technology provides the details.