Clear framed goggles are resistant to gross particles (dust particles >5 microns) and gas and fine particles (gas vapours, splashes, smokes and dust particles <5 microns. Scorpion Medium energy impact protection. Clear frame with a 2mm thick polycarbonate lens. The lens and the frame are resistant to molten metals and hot solids (splashes of molten metals and penetration of hot solids). Lion Low energy impact protection at extreme temperatures. Clear frame with an extremely flexible acetate lens.