A classic square frame with performance built in. The Thunderhead looks right at lunch on the dock and holds up on the trail or the court.Lightweight TR90 frame. Fixed-tint lenses that block glare and boost contrast, fully UV protected. Red and Black with red lens, Brown with brown lens, or Black with purple lens.Designed by BOLD in Steamboat Springs, Colorado, and ride-tested in the Rockies. Ships direct from our partner BOLD, with free 30-day returns.