Exceeds ANSI Z87.1-2003 High Impact requirements.  Lenses are coated for superior scratch resistance.  Single lens design provides maximum protection.  Lenses provide 99% protection against harmful UV rays.  Ribbed, cushioned nosepiece fits a wide range of bridge sizes and protects against slippage.  Durable dual injected polycarbonate and rubber temples.  The infinity blue len is commonly used in indoor applications where there is an excessive amount of yellow or sodium vapor light.  Offers a high level of contrast.  Sold per dozen. Priced per pair. Enter quantities of 12, 24, 36, etc. Price discounts based on quantities ordered.