The Darwin F922 sunglasses take a classic aviator shape and create something special. Lightweight metal frames are strong, durable and subtle on the face, with non-slip design at the nose and temples for reliable coverage. The grey base lenses will protect against UV and keep you from squinting in bright conditions.Aviator-shape metal frame - anatomically-designed for comfortXTR Karbon8 class one lenses - maximum UVA protectionNon-slip adjustable nose pads and temples - hypoallergenic and comfortableLenses: grey base for general to bright conditions