Oakleys lightest performance frame evzero pitch is built for speed with a rimless toric shield of plutonite174 for an unobstructed view making it the ultimate multi sport sunglasses for training running and beyond features engineered for bright sun sapphire iridium174 reduces glare and balances light transmission to help you maintain color recognition o matter stress resistant frame material is both lightweight and durable for all day comfort and protection high definition optic