Engineered to deliver breathable comfort during even the toughest workouts, these high-performance sunglasses are constructed with Nike MAX Optics lenses in a flatter-front design for precise clarity from every angle. Rubber temple channels increase airflow and work in conjunction with high-tension hinges to provide reliable grip. Style Name:Nike Flex Momentum 66Mm Sunglasses. Style Number: 5300769. Available in stores.