The Swingarm Sunglasses from Electric Unisex Design 100% UV Protection 98% Blue Light Protection 6 Base Melanin Infused Polycarbonate Lens 6 Base Mold Injected Grilamid Frame Internal Tactical Hinge System Unique Mold Injected Logo California Design. Hand Crafted In Italy The Swingarm is lightweight & heavy duty. Purpose built around the innovative double action hinge system, offering uncompromising fit & function.