Bolle atom safety goggles are compact and lightweight the tpr thermo plastic rubber and flexible frame ensure excellent comfort whilst providing high protection the goggles have an adjustable strap for a secure fit and will fit over prescription spectacles the lenses have an anti scratch and anti fog platinum coating bolatoapsi clear lens ventilated en16613btbolatoepsi clear lens sealed en1661bt 345bolatofapsi clear lens ventilated foam seal en16613btbolatoedepsi clear lens equaliser en1661bt 34