Where ever they go the Julbo Kid's Coach Sunglasses (w/ Spectron X5 Lenses) features a lightweight polycarbonate lens that is shock resistant lightweight and anti-scratch. Recommended for mountain water and sun conditions the X5 lens provides 12% light transmission rate (Category 3) with an anti-glare flash finish and gives 100% UVA UVB and UVC protection. If you're protecting your eyes then your kids need it too. Targeted for 3 -8 year olds.