Julbo Women's Monterosa Mountain Sunglasses Spectron 4 is a mountaineering lens, blocking 95% visible light Lite-weight and shock resistance; Excellent eye protection at an in-expensive price Flash treatment improves visible light filtering with mirror effect; Lens has anti-reflective coating to provide relief from glare 100 % A,B,C UV Protection Protective Case included Curved temples and Removable side shields