NATOA bold, squared, statement frame that employs oversized temples to block sidelight and keep the focus on whats in front of you. A large frame can be heavy, but not when its made of our lighter and stronger castor based bio plastic. Bajo Fresh Eyespolarized lens technology slices through glare for better fish spotting, while a blue light blocking coating prevents eye fatigue to maintain visual acuity during marathon days in the sun.