Not easy to define.
- ECO TRU BIO Plastic
- Polycarbonate, 6 base lens. 100% UVA/UVB protection.
- Good for bright days fighting glare with true undistorted color
- Includes Microfiber Sunglass Bag
- 12 Month Limited Warranty
- 50h – 146w -140l (Large Sized Frame)
- Made in China
- Helpful Information: https://www.volcom.com/pages/prop-65