Callaway Hyperlite Sunglasses Neox lenses are engineered to adjust to the decreased depth of field caused by most sunglasses. The result is the sharpest and most accurate vision you can get for your game. So you'll see the angles and lines with greater sharpness and accuracy than you will with any other non prescription pair of sunglasses. NEOX lenses provide 100 percent protection from the harmful effects of UVAUVB radiation. Features Callaway Hyperlite Sunglasses 8226 NEOX Technology Neox lenses offer the sharpest and most accurate vision you can get for your game, enabling you to see angles and lines with greater sharpness. 8226 Tech Performance style frame 8226 Magnesium Aluminum alloy construction 8226 Lightweight yet highly durable material 8226 Semi rimless design equals zero distraction 8226 Fits Med Large head shape 8226 Megol rubber nose and ear tips provide secure 'non slip' retention 8226 Ergonomically wrapped temple 8226 NX14 lenses are slightly darker, allowing 14% light transmission