Oakley Gascan sunglasses deliver unbeatable, lightweight protection with their O Matter™ frame material, and HDO™ and Twin Toric lens technology. Constructed with straight edges and hard lines, these frames suit active lifestyles and feature polarized and Iridium™ lens options as well as Oakley Authentic Prescription Lenses and Prizm™ photochromic lenses for enhanced colors and contrasts.