Delivering ultimate strength and flexibility, the Under Armour Youth Nitro L Sunglasses use ultra-light ArmourFusion frames made of titanium and Grilamid. ArmourSight lens technology boasts up to 20% more clarity and is up to 10 times tougher than ordinary polycarbonate lenses. The Nitro lenses are nearly indestructible with Multiflection coating that protects against unwanted scratches and smudges. Airflow ensures they stay cool and dry even on the most hot, sunny days, along with Three-Point Grip for a secure fit. All Under Armour Performance Eyewear lenses block 100% of UVA, UVB, and UVC rays. Imported.