Pelagic The Mack Polarized Sunglasses for Fishing Polycarbonate lens polarized 5-Layer Polarized Lens System Developed Specifically for Fishing Anti-Reflective Lens Coating Ultra-Lightweight Frame Reduces Eye Strain and Fatigue Lightweight  Takes away pressure points Durability  ANSI Z87.3 Certified Shatterproof Flexibility  Comfortable, contoured fit