The design secret to Revo Crux S Sunglasses’ panoramic vision lies in the open-edged lens construction that eliminates potential peripheral obstruction and enables greater visibility at any active speed. The fusion of technology and fit amplify the performance possibilities for activities whether on land or water.Measurements: 63-10-130..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 ..