Quick-change times two: the Oakley Women's Photochromic Radarlock Edge Sunglasses let you change lenses lickety-split, but it has a photochromic lens that changes with variable light conditions, so you have optimal versatility between change-outs. A lightweight, durable O Matter frame plus Plutonite UV-fighting lenses and a comfy three-point fit with Unobtainium earsocks and nosepads make the Radarlock Edge seem barely there. But your safe, happy, and protected eyeballs know for sure.

• Injected polycarbonate O Matter frame is lightweight, stress-resistant, and durable, so you can rock your shades for a long time
  
• Switchlock interchangeable lens technology allows for fast, secure change-ups for every activity and condition
  
• Integrated surge ports channel cooling airflow to prevent tears from sweat and fog
  
• Photochromic lenses adapt to variable light conditions, like magic!
  
• Polycarbonate Plutonite lens UV protection filters out 100% of UVA, UVB, UVC and harmful blue light up to 400nm 
  
• Dual-lens polaricellipsoid geometry cut lenses from a single toric shield; you don't have to pronounce it, only reap its consistent, clear-sighted benefits
  
• Optical precision and impact-resistance is at least ANSI Z87.1 optical and basic impact standards
  
• Three-point fit holds lenses in precise optical alignment for optimal performance
  
• Unobtainium earsocks and nosepads increase grip while perspiring like a pig
  
• Metal icon accents add eye-catching style
  
• Multiple interchangeable Unobtainium nose pad options for customizable and comfortable secure fit
  
• Protective sports-specific Oakley Soft Vault case included with capacity for an extra lens