Lightweight sport styling contours to the face to provide maximum protection. Vented frame increases air flow to prevent the lenses from fogging. Anti-scratch lensess offer 99% protection from harmful UV rays. Built in rubber nose pads provide comfort fit and protect against slipping. Straight back flexible temples provide outstanding fit. Exceeds ANSI Z87.1-2003 HIgh Impact requirements. The infinity blue lens 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 by the dozen, priced per pair. Enter quantities of 12, 24, 36, etc. Price discounts based on quantities ordered.