Look to the Revo Square Classic sunglasses, for glare protection, optical clarity and fantastic style you won't find in any other sunglass. Drawing on an iconic Revo style, the Square Classic gives you the classic look you desire with the modern technology optics you demand in your eyewear. Revo high contrast polarized Serilium lenses. Motion Fit design stays put during high speed activities. Anti reflective coating. 6 base lens technology b.39 ed. 63 Measurements: 60 15 142. Blue water lense perfect for cutting glare in bright conditions on the water. Terra lense actively filters the light spectrum to provide clear vision. Graphite lense enhances natural vibrant colors while blocking harmful rays and harsh glare. Blocks 100% UVA B C .