SPECS: Medium/large fit for athletes with low nose bridge or wide/high cheekbones Fits over prescription glasses and works with optical docking system prescription lens insert DESIGN & TECHNOLOGY: Spherical Carbonic-x lens to avoid distortion and resist impact Fog-X anti-fog coating for crystal clear vision ChromaPop(TM) lens available to enhance detail and contrast Responsive Fit(TM) frame design adjusts and flexes to your contours QuickFit strap adjustment system with clip buckle for easy adjustments 3-layer DriWix face foam for maximum comfort Built to integrate with Smith(R) helmets for optimal comfort, ventilation, and view Ultra-wide silicone backed strap for ultimate comfort Includes microfiber goggle bag