Soft, non-slip rubber temple tips.  Lenses are coated for superior scratch resistance.  Exceeds ANSI Z87.1 - 2003 high impact requirements.  Integrated nose piece.  Lenses provide 99% protection against harmful UV rays.  Exceeds CSA Z94.3 standards.  The purple haze lens is - commonly used in medium to low light conditions. Enhances contrast.  Sold per dozen. Priced per pair. Enter quantities of 12, 24, 36, etc. Price discounts based on quantities ordered.