Conforms to EN 166. 1BT 3,4,5. Compact, lightweight and ultra comfortable due to its TPR flexible frame. The clear anti-scratch and anti-mist lenses offer a wide field of vision and the wide adjustable strap adds to the comfort. It will fit over prescription spectacles and a prescription insert is also available. Includes tear off lens protectors. When the optional face visor is fitted the Atom doubles up as a face shield.