From the manufacturer

Whether you're running, rolling or sliding, a crisp view of the terrain translates to full-speed-ahead fun. The Smith Defy sunglasses double down with a lightweight, rimless design and terrain-defining ChromaPop™ optics for unobstructed, high-contrast vision. Whether you're on the move in the hills or simply taking in the view from the back deck, an interchangeable lens lets you match the light conditions.

Features

Vision

• ChromaPop™ lenses enhance contrast and natural color to make the details pop
  
  
• Smudge and moisture-resistant coatings for easy cleaning and clear optics
  
  
• Interchangeable lenses
  
  

Fit / Integration

• Medium to large fit, large coverage
  
  
• 5-base cylindrical shield lens curvature
  
  
• Slight wraparound fit
  
  
• Megol Nose Pads & Temples:
  • Two-position, adjustable Megol nose pads combined with Megol temples provide non-slip grip so glasses stay put.
    
    
• Adjustable nose pads for a custom fit
  
  

Frame

• The wraparound frames have flexible temples, which you can bend like rubberized pipe cleaners, and non-slip nose pads for an extra secure fit.
  
  
• The high impact resistant TR90 nylon frame is durable, lightweight and flexible
  
  
• AutoLock hinges hold frames open for easy one-hand on and off
  
  
• Bonus Clear Lens: Whether you're running, rolling, or sliding – take your bonus clear lens with you and be ready for anything.