The Oakley Sylas Prizm Black Polarized adult sunglasses present a classic frame with reliable features such as a hat compatible design with an increased extended periphery. They are made of lightweight and stress-resistant O-Matter® material with polarized lenses and feature the PrizmTM lens technology that maximizes colour contrast and enhances visibility so you can make the most of your outdoor activities. Designed to adapt to medium-sized faces, those glasses feature a high bridge fit comfortable for those with a high nose bridge and lower cheekbones.