Bloc Eyewear Turin Grad Cranberry Sunglasses (SG12 Grey Grad/ Cat 3 Lens) Description: A sophisticated look with lots of diamantes for that truly glamour feel. This lens shape also helps to protect the sensitive skin around the eyes. 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 core injected frames & are hand finished. They are flexible lightweight & designed for comfort fit & performance. The optical class hinges offer both quality & durability.