- Metal Sunglasses with an Aluminum Frame and Nylon Temples - 7-Barrel Hinge, Dual Screws - 4-Base Interchangeable Polarized Lens - Lightweight, Durable Design - Fits Medium to Smaller Size Faces - Rx Capable, can function as Prescription Sunglasses - Made in the USA   Introducing Clarion: Fast Metal’s first ladies-only sunglasses. “Ladies’ sunglasses should be dainty and refined,” said no one, ever. That’s why Fast Metal constructed these prescription-capable gal’s glasses with frames crafted from rugged 7075 Aluminum Alloy and outdoor-tough nylon temples with soft rubber ear cushioning. Clarion also comes with a special eyebrow visor built into the lens insert to help block overhead sun. Available in a bunch of attention-grabbing frame, lens, and temple color combos, Clarion features Fast Metal’s interchangeable lens system, so you can go from stylish sunglasses to perfect prescription sunglasses in a split second. And as always, our high-quality scratch-resistant and impact-resistant polarized lenses provide you with 100% UV protection, no matter where you’re hiking, walking, or just plain chilling by the pool with an iced mochaccino.