Gill Racing Sunglasses

Features:

• Full internal floatation w/built in ventilation channels
• 100% glare free Polarized lenses by Polaroid
• Wrap around frame for side UV protection
• Integral retaining strap
• Case included
   

  The floating styles are equipped with Polaroid Polarizing lens, technical
  name is S13. The support layers of this material is CAB (Cellulose Acetate
  Butyrate). It is a 7 layer laminate with a high quality scratch resistant
  hardcoating. The whole lens is presspolished and optically correct, optical
  class 1, CE standard.

  CAB has advantages and disadvantages...
  +unbreakable
  +99% polarizing efficiency
  +100% chipping free
  +optically class 1, power readings and refraction is excellent
  -fairly scratch resistant 2.5 HD
  +lightest weight
  +very good thermal stability
  -distortion along frame edges possible