Julbo Diego Kid's Sunglass (5-9 Years), Spectron 3+, Navy Blue Wrap-around shape for good peripheral vision and protection Twin Flex Temples: Split temples that flexibly adapt to the shape of the head to give perfect hold and optimal wellbeing This lens in very dark w/only 5% visible light transmission and a protection index of 4; It has a flash finish and anti-reflective coating This lens in very dark w/only 5% visible light transmission and a protection index of 4; It has a flash finish and anti-reflective coating