The Holbrook sunglasses are both highly casual, highly stylish and suitable for using in multiple different sporting environments due to huge amounts of lens and frame technology. The glasses look is inspired by the heroes of screen from the 1940s, 50s and 60s for a powerful level of suave style. Lenses Oakley have added Plutonite lenses to the Holbrook glasses to add extra UV protection to their glasses. The lens filters 100% of all UVA, UVB, UVC and harmful blue light up to 400nm. The lenses also come with PRIZM technology that is a revolutionary technology that fine-tunes vision for specific sports and environments. Plus patented High Definition Optics (HDO) helps provide you with superior optical clarity and razor-sharp vision at every angle. Robust Design The glasses not only protect against poor lighting but also help keep you protected when it comes to high impact. The glasses offer uncompromising protection against high-velocity and high-mass impact. The O-Matter frame is stress-resistant and is both lightweight and durable for all-day comfort and protection.