The fwe rayet multi lens glasses come with 3 interchangeable lenses clear yellow and grey all the lenses are made from scratch resistant polycarbonate and sit in a lightweight frame they are treated with two separate coatings a hydrophobic coating to repel water and an anti fog coating to prevent condensation the result is glasses that perform across a wide range of conditionsan adjustable nose piece and rubber arm grippers provide a comfortable and secure fit included is a drawstring p