Rubber frameAnti-Fog Coating coatingPREMIUM ANTI-FOG COATING: Hydrophilic anti-fog coating can cause fog moisture to hit the lens and absorb into the coating eliminating fog quickly and efficiently, keeping your vision clear.SAFETY GOGGLES OVER EYEGLASSES: With a one-piece wraparound lens, this protective eyewear fits over most prescription glasses (up to 5.71 in wide, up to 1.85 in high). And it can also be worn as a pair of typical safety glasses.ADJUSTABLE DESIGNS FOR COMFORTABLE FIT: Getting the comfortable fit helps protect your eyes better. Both the angle and the length of the temples can be adjusted to meet your requirements. The soft rubber nose pad is also can be adjusted to keep the glasses in place.SUITABLE FOR VARIOUS OCCASIONS: Designed as protective gears, our safety glasses provide eye protection for general working conditions where there may be dust, chips or flying particles. Also, they are suitable for any outdoor activities, helping block UV radiation.