Bolle Contour II BSSI Safety Glasses Smoke LensUltra lightweight and stylish, these Contour II BSSI Safety Glasses from Boll are ideal for everyday use for sun and safety protection during operations involving risks to the eyes and can be used indoors and outdoors. A Platinum coating on both sides of the lens has anti scratch and anti fog properties which add to the durability and effectiveness of these safety glasses. The wrap around frame, non slip nose bridge and the non slip tip grip temples