Bloc Eyewear Bronx Shiny Black/ White Sunglasses (SG12 Grey Grad/ Cat 3 Lens) Description: This new design utilises harder edged sculpturing for a streamlined look. The soft temples & nose piece hug the contours of the head & nose enhancing comfort & performance. Conforms to EU Standard BS EN 1836: 2005 + A1:2007 Lens: SG12 Grey Graduated Cat.3 Karbon 8 Optical Class One lens provide MAX UV protection. Distortion free & virtually indestructible. Frame: BLOC frames utilises tough & compliant KARBON TX bi core injection frames & are hand finished. They are flexible lightweight & designed for comfort fit & performance. The sports hinge offers both strength & performance. The fully adjustable hypoallergenic nose pads & the non-slip hypoallergenic temple tips are designed for comfort & fit.