Fit & Design: Built for small and medium sized heads Metal core in each arm Glossy finish Technology: Full UV400 eye protection Polarized lenses cut glare by filtering out horizontal light waves. Without this glare, you're left with a more gentle view and reduced eye strain; Not to mention a cleaner view Additional Details: Microfiber lens cleaning pouch included FDA compliant impact resistant lenses Frame height: 49mm Frame width: 146.1mm Lens width: 62.4mm Nose bridge width: 18.9mm Temple length: 147mm