NRC Eyewear NRC X Series X3 SunglassesThe NRC Eyewear NRC X Series X3 Sunglasses are inspired by NRCs' constant desire for innovation. The X3 series have a photochromatic lens coating that adapts to the level of brightness automatically and is shaped to increase ventilation, reduce fogging of the lens, protect the eyes from solar radiation and to provide complete vision coverage. Perfect for Competition and Training RidesThe Carl Zeiss one piece lens has been designed using a base colour of gold and brown, instead of the common grey base layer. This increases the lenses mirroring qualities and actively reduces harmful rays of light from having any effect on your eyes, making the glasses perfect for competition use and for long days in the saddle when training.Features:Material: NylonLens Material: PolycarbonateNose Pad: Megol (nose pad, tips, logo)Curvature: Base 7°Size: 152mmPantoscopic Angle: 10°Bridge: 16mmLens Diameter: 139mmTemple: 125mmProtection: UV, UVB, UVATransmittance: ISO 12312-1:2013Solar Filter Category: Cat. 2Weight: 28gTechnologies:Carl Zeiss Vision Lenses: The X Series are equipped with Lens' produced by Carl Zeiss Vision, which guarantees the best Vision Experience ever and provides the best protection for your eyesNRC X Series: The concept of the NRC X Series is based entirely on the requirements of amateur cyclist. The design phase is developed with the needs of those who directly experience the real everyday sport life. Every design is taken from the concept to reality after it has been tested and approved by people who are out cycling every day. The feedback is the basis of the NRC future designs, making them unbeatable in terms of comfort, protection and style.Buy NRC Eyewear Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.