Bloc eyewear shadow matt black silver frame sport sunglasses red mirror cat 3 lens description the ultra modern and lightweight shadow is a vital part of any kit bag providing demanding athletes the ultimate in performance and protection perfect for skiing cycling and shooting with maximum peripheral vision conforms to eu standard bs en 1836 2005 a12007 lens red mirror cat3 karbon8 optical class one lens provide max uv protection distortion free and high impact resistant