Oakley Frogskins sunglasses feature a three-point fit that holds lenses in an accurate optical alignment while removing pressure points. The lenses are made of material that filters out approximately 100% of all UVA, UVB and toxic blue light until 400nm. The lenses also have high definition optics providing superior and razor-sharp vision at each viewpoint. These sunglasses have a plastic, stress-resistant frame that is both durable and lightweight for all-day protection and comfort.