●Hybrid specific clip-on Attach it to the glasses frame of the main body for polarized sunglasses with prescription ●Frame Color: Gunmetal ●Frame Material: Titanium & Beta Titanium ●Lens Color: Master Blue (Polarization Degree over 99% / Visible Light Transmittance 30%) ●Lens Material: TALEX CR-39 Polarized Lens ●Lens coating: Hard multi-coated (scratch-resistant, water-repellent, anti-reflection) ●Lens curve: 4 curves