The Flak 2.0 XL edition from Oakley provides excellent UV sun protection with enhanced lens coverage. The Flak 2.0 XL sunglasses from Oakley provide excellent comfort and supreme UV protection to the classic sporty style in a larger fit.The Flak 2.0 XL has a lightweight, stress-resistant O-Matter frame with no-slip Unobtainium earsocks that increase grip even when its hot out and you start to perspire. Prizm Lenses provide exceptional sun protection, filtering out 100 of all UVA, UVB, UVC and harmful blue light up to 400nm so you can safely and stylishly protect your vision from damaging rays. Engineered for convenience, these lifestyle sunglasses dont sacrifice style. Keep your vision protected with the Flak 2.0 XL Sunglasses from Oakley.