When you're in the pursuit of speed the Julbo Instinct Sunglasses (w/ 4 Lens Set) offers a total wrap performance fit with versatile light protection to maintain your view when things go by in a blur. Providing 100% protection against UVA UVB and UVC four lens options cover a light range from 3 – 100% transmission (X5 anti-glare flash finish X6 hi intensity Hi Contrast overcast Clear faded light and wet condition). These polycarbonate lenses are shock resistant lightweight and anti-scratch; with base curve 8. A high wrap lens geometry and wrap around frame style give an extra-wide field of vision. Extra wide ear arm elastomer end-tips provide optimized grip. Recommended for all sports especially the fast ones.