Photochromic lenses that go from clear to dark as the light changes. The Glow handles the shaded walk to the marina and the bright ride out without a lens swap.Lightweight TR90 wrap frame. Photochromic polycarbonate lenses, non-polarized, fully UV protected. Gold, Aqua Blue, or Glow Purple.Designed by BOLD in Steamboat Springs, Colorado, and ride-tested in the Rockies. Ships direct from our partner BOLD, with free 30-day returns.