The Bolle Spright junior sunglasses. The Bolle Spright is a children’s sunglasses model suitable for 5 to 7 year olds and is part of the Bolle Kidsport range. Bolle knows that kids go 100% all out, all of the time. And never once do they stop to think about how their developing eyesight is especially fragile. That's why sunglasses should be anything but. All the technology, all the style, in killer frame designs, just smaller! Children’s junior frames. The acetate frames are lightweight and strong and are available in two colour options. The polycarbonate lenses offer 100% UV high protection, category 3 grey tint with a flash mirror coating.