- CONTPSF21 g of strength, sturdy, protective, stylish, comfortable and lightweight Lens colour- smokedPlatinum coating – This permanent coating on both sides of the lens gives them a high resistance to scratching (1.4 cd / m²), to the most aggressive chemicals and delays fogging and meets all international standards, particularly EN166 option K and N.Non-slip bridgeNon-slip TIPGRIP templesAnti-static21g