Julbo has produced a stylish frame for cross/mountain bike hoppers to reflect both their spirit of adventure and technical ability. All-terrain and all-protection,Shield will open both your field of vision and your mind to what's possible: Zebra or Cameleon photochromic REACTIV lenses for perfect vision, and non-slip curved temples with Nose Grip so they stay on your head when things get bumpy! Air Flow ventilation and removable soft-feel side shields guarantee maximum comfort. The sleek rectangular shape ensures style and bold moves go hand-in-hand. Cat. 3 polycarbonate lens (visible light transmission rate: 12%) with colored mirror coating (Color Flash): improves filtration of visible light by applying a mirror effect to the lens. Multipurpose lens suitable for all uses.   Features: Air Flow: Venting incorporated into the frame to facilitate air circulation and prevent fogging. Cord Attachment: Allows attachment of a cord. Grip Tech Temples: Exclusive soft material on the temples tha