Callaway Men's Q School Neox NX14 Lens Golf Sunglasses Lens: Neox Nx14; 2Nd Generation High Performance Neox Formula; Enhanced Distance Vision; Superior Depth Perception; Slightly Darker Blue Gray, 14-Percentage Light Transmission Frame: Classic Styling On And Off Course; Lightweight Tr90 Grilamid Construction; Full Frame Protection; Wrapped Lens Shape For Maximum Coverage; Ergonomically Shaped Fit: Med-Large Head Shape; Secure Ergonomic Wrap; Megol Rubber Nose Pads And Ear Tips For Secure Non-Slip Fit