When you're riding lifts five days a week, accidents are bound to happen. Next time you take a tree to the face you'll be stoked to have your VonZipper Satellite Lens to swap out so you don't have to spend the rest of the day trying to shred with scratched goggles. Proposition 65 Warning for California Consumers: This product contains chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm.