Ultra-flexible TPV housing and wide fully adjustable neoprene strap guarantees the wearer optimum levels of fit and comfort. The toric optical class 1 polycarbonate anti scratch and anti fog lens provides an excellent field of view. Can be worn over prescription spectacles. Adjustable strap, Ventilated, Anti-scratch/Anti-fog Lens marking 2C-1,21BT 9 KN CE Frame marking EN166 3 4 9 BT CE.