Back Astro Flex Front: 0.75mm lead equivalent Side: 0.35mm lead equivalent Optional prescription: single vision, bifocal or trifocal Personalisation possible Contact us about this product A product by Shielding International Shielding International Related products BR330 BR330 Show product info Sport Wrap Sport Wrap Show product info Retro-Way Retro-Way Show product info Jackie-O Jackie-O Show product info