Spy optic klutch gogglespy optics klutch goggles are made of flexible polyurethane and have an anti fog scratch resistant lexan lens with posts these goggles offer 100 uv protection and are compatible with most helmets they also have a silicone ribbed strap to keep your goggles in place and come with a free bonus lens eliminates foggingthese goggles feature spys scoop ventilation system a patented airflow system that forces air through strategically placed vents on the frame to reduce pre