Lightweight, silicone body conforms to assure the highest level of comfort and eye protection. Cured silicone body stays soft and supple in extreme temperatures. Pivoting clips permit the wearer to position the goggle on a hard hat or position the headband above the ears. Fits over most prescription eyewear. Adjustability Features: Strap; Material(s): Silicone; Polycarbonate; Antifog: Yes; For Use With: Over Glasses.