Bolle’s Royal goggle offers a sleek modern minimalist frame design for kids, with a wide field of view. Double lens technology creates a thermal barrier between the cold-dry outside and warm moist inside that helps prevent condensation from forming. Flow-tech venting enhances the anti-fogging by directing airflow to the inside lens, clearing moisture without coming in contact with the face. The anti-fog coating improves clarity and Carbo-Glas armor ensures the lens stays free of scratches. The Royal frame is Optical-clip compatible to be used with prescription lens inserts, and the lenses are all 100% UVA/UVB proof to keep your child's vision safe for many winters to come.