Bolle Chronoshield Models: BS018001, BS018003, BS018007, BS018008 In 1986, CHRONOSHIELD was ahead of its time. Today, is no different. While paying tribute to the original remarkable design, CHRONOSHIELD’s refined profile and use of modern technologies ensures that it is still ahead and showing no signs of compromise in style, fit, comfort or performance. Available with Phantom, the highest performance photochromic lens on the market. Available with Bollé's revolutionary VOLT+ High Contrast Enhanced Colour polarized lens. FIT: Medium SPECIFICATIONS Available with Phantom Photochromic Lens Available with VOLT+ High Contrast Enhanced Colour polarized lens Anti-Fog coating Anti-Scratch coating Oleo/Hydrophobic coating Adjustable nose piece Adjustable temple tips Snap hinge Thermogrip® Vented lens Removable Browbar TR90 Nylon Frame WHAT IS PHANTOM: Phantom is Bollé’s first photochromic lens with phenomenal optical clarity. It adapts to any light condition, ensuring precise visual acuity whatever the weather. The lens tint changes with the light from cat.1 to cat.3. Enhanced vision whatever the conditions. Phantom+ combines all of our 3 technologies adding a 4th additional element: polarization. Polarized lenses are largely recognized today for their benefits in terms of blocking parasitic light reflections. So it felt right to add them to our already unbeatable lens technology to improve its level by yet another step. Equipped with Phantom+ lenses, you will be ready to take on any adventure. Polarized: Optional Photochromic: Optional Lens Material: Solace4 or Phantom trivex lenses (light adjusting) Frame Features: Adjustable Nose Pads, Thermo Grip, Anti-Fog, Snap Hinge, S-Curved Temples Base Curve: 8x Frame Size: Temple Length 118mm, Total Width 147mm Lens Size: 143mmx65mm (Width x Height)