Julbo Kid's Reach L Sunglasses The Spectron 3CF lens is anOptical Grade 1 polycarbonate lens that blocks 89% of the visible light. Liteweight but with excellent shock resistance, this versatile lens is suitable for all types of activities.The 3CFFlash coating reflects rays of light and improves visible light filtering with its mirror effect. The flash treatment improves visible light filtering with a mirror effect on the lenses. Like all Julbo lenses, the Spectron 3CF lenses are optical category 1. 100% UV A, B, and C protection Wrap around frame Curved temples microfiber pouch included Specially designed for kidsage 10-15