Electric Swingarm polarized sunglasses. The Swingarm is lightweight and heavy duty. Purpose built around the innovative double action hinge system, offering uncompromising fit and function. Six base melanin infused polycarbonate lens. Six base mold injected Grilamid frame. Internal tactical hinge system. Unique mold injected logo. 100% UV protection. 98% blue light protection. Imported.California Residents:WARNING PROP 65: This product can expose you to Bisphenol A (“BPA"), a chemical known to the State of California to cause cancer, birth defects and other reproductive harm.  For more information go to www.P65Warnings.ca.gov.