New Oakley Flak 2.0 XL Matte Balsam Prizm Ruby, Rectangular 59 mm Not Polarized DarkGreen black across the thickest section of 340471 33 23 Used across the thickest section of the barrel wall allows for excess weight reduction while also increasing flexibility for an increased performance zone Multi variable wall design creates an expanded sweet spot and thinner barrel walls that are more forgiving after off centered contact 2nd Generation AV2 Anti Vibration knob features an upgraded High strength Frame Type Semi Rim Not Polarized Product Dimensions: 59 12 133 Frames have a direct impact on your face shape to give balance and proportions to the face the frame shape should be in contrast with the face shape