QR Code Link to This Post Retractable inner sun lens, can be raised or lowered by exterior slide Advanced jaw pivot engineered for lifting balance Removable coolmax interior Superior seal reducing noise and air leakage Controlled venting for cold or warm weather, helmet has several controlled vents Single/double or electric lens availableThe light in the back of the helmet can be left off, turned on, or slow flashing, or fast flashing. You can also plug in to the bike to react to the brake light.This is the finest helmet available.If it still shows it is still available.