OAKLEY Holbrook™ XS (Youth Fit)The iconic silhouette of one of Oakley's bestsellers Holbrook is re engineered to properly fit smaller faces. Without sacrificing performance features or style, this youth version of an adult style features performance features like Prizm lens technology and stylish accents like metal rivets and a keyhole bridge. PRIZM LENS TECHNOLOGY: Prizm lenses are designed to enhance color, contrast and detail so athletes can make the most of any activity FRAME