Bulletproof, Mirror Iriz, Permanent Anti-Fog, Posts for Tear-Off and Roll-Off Leatt Iriz mirror lenses are made from 2.7mm bulletproof material with an anti-scratch coating and permanent anti-fog function. They have posts for Roll-Off and Tear-Off and fit all Leatt goggles. Available in different mirror colours and with different VLT ratings (visible light transmission percentages). Bulletproof 2.7mm thick optically correct lens Iriz mirror coating Permanent anti-fog function built into the inner lens polymer Tear-off and roll-off ready with posts 9 lenses available from 20 to 83 percent variable light transmission (VLT)