The Slendale XS is engineered with a shorter lens profile and a more compact nose bridge, tailored specifically to fit the smallest faces. This design makes it ideal for athletes as young as 6 years old, ensuring they start their journey with optimal comfort and functionality. Combine style with performance. Mirror lenses reduce glare while providing 100% UV protection. Perfect for athletes and adventurers. Light Transmission: 29% Light Filter: CAT 2