Fit & Design Frame material: Lightweight BiO-Matter(TM) frame material provides durability and all-day comfort. BiO-Matter is made from bio-materials having at least 56% bio-based carbon content (representing ratio of castor oil to fossil sources) Three-point fit is designed for comfort and to hold your eyewear in precise optical alignment Big on style and performance with features like Prizm(TM) Lens Technology, sleek metal accent rivets, and a keyhole bridge Crafted to fit small face shapes Technology Impact Protection: Oakley lenses are designed and tested under extreme high mass and high velocity circumstances to ensure uncompromising protection across a wide range of demanding conditions