Conforms To : EN 166:2001Field of Use : It is best suited for protection against low-impact energy from high speed particles at extreme temperatures Description:An Ultra Light weight model and equipped with a flexible frame which virtually ensures a close slug fit on both large and small faces. The ES-001 offers the highest level of eye protection against high speed particles. Areas of Use:Construction sites: Areas where sand and large dust particles are blowing at high speed.Metal-Processing shops. Specifications:LENS FEATURESOptical class 1.Lens scale number: 2-1.2(For clear lens)5-1.2(For Smoked Lens)Material-Poly Carbonate.Hard-coated lens for scratch-resistance.Smoked lens model also provides optimum protection against harmful UV radiation. Special Features:Extremely light weight, weighing only about 26 gms. Thus providing extreme comfort.Wrap-around design for better coverage.