The photochromic lenses of the John Doe Ironhead sunglasses with the self-tint ability offer excellent visibility in any conditions. Under UV-light they go from clear to light/dark gray and vice-versa within seconds; depending on the intensity. Durable frame construction and a modern design round off the whole package.Features:Polarized photochromic lensesExcellent comfortTint from light to dark grayShatterproof lens designUV-400 protection
