MULTIDIRECTIONAL CLARITY: The Hyperforce Training Sunglasses feature adaptable comfort and advanced optics that are designed for clear vision no matter how and where you move. MAX Optics provide precise vision from all angles. Ventilated, self –adjusting nose bridge provides an individualized fit. Flexible temple arms for optimal fit, enhanced grip and stability. Anti-fog ventilation holes in the frame circulate air. Frame accommodates interchangeable lenses for any light condition.