Bobster Lowrider II Convertible Sunglasses Features the ability to convert from sunglass to goggle configuration and back in a snap. Rugged matte black Grilamid Tr90 frames ensure confidence for rugged wear. Open-cell foam controls airflow without annoying wind blast. Features 100 UV protection Includes three shatter-resistant, polycarbonate lenses (smoked grey, amber and clear), adjustable strap, carrying case and cleaning cloth