About the Flak 2.0 (A): The Oakley Flak 2.0 (A) is a high-performance sport sunglasses, designed to elevate performance while adding style. These semi-rimless sunglasses are ideal for athletes and anyone engaged in activities such as running, cycling, golfing and other sports. Featuring 4 base lens geometry with HDO, durable yet lightweight O Matter materials and no-slip technology, ensures maximum comfort and performance during high intensity activities and daily wear. Color code: 927109. Exceptional Lens Quality: Features Oakley Prizm lenses that enhance color, contrast, and detail for an optimized viewing experience and High Definition Optics (HDO), they provide superior clarity and sharp vision from every angle. Perfect Frame Fit: Low bridge design with a one-size-fits-all frame and Unobtainium nosepads and earsocks that increase grip with sweat, ensuring a secure and comfortable fit during any activity. Care and Secure Kit: Includes an Oakley microfiber bag with a Accessory print on one side and an Oakley leash to keep your sunglasses clean, secure, and always close at hand. Peace of Mind Guarantee: Crafted to Oakley’s high standards, these sunglasses are covered against defects and workmanship issues, giving you confidence and reassurance with every purchase.