For endurance addicts triathletes seeking peak performance cyclists & runners Aerospeed is the perfect answer for a new dimension of vision & speed. Its giant REACTIV Photochromic lens creates an XXL field of vision in the maximum speed position & in all other configurations. Innovative aerodynamics guarantee both all comfort coverage & excellent penetration through air. Light rapid & streamlined for seeing ever faster! Cat. 3 polycarbonate lens (visible light transmission rate: 12%) with flash finish. Suitable for use in moderate to full sun or in all outdoor activities in good conditions. Anti-fog coating. Sun protection: Cat. 3 VLT (visibility light transmission): 12% Material: POLYCARBONATE Lens depth: 52 Distance: 14 Temple length: 131 Base: 6 Hinges: Non Lens size: 0 Age: Adult Masse nette en g: 26 g TECHNICAL FEATURES 3D Nose Fit: Special nose-pads are adjustable in every direction so that glasses fit every type of nose shape & ensure unbeatable hold in all conditions. Air Link Temple system: This elastomer shock absorber insert fitted at the end of the temple makes the glasses lighter & more comfortable Full Venting: Highly vented sunglasses structure allowing full circulation of air to prevent fogging. Grip Tech: Exclusive soft-comfort material on the temples that doesnt stick to hair giving perfect grip & comfort Panoramic view: Wide lens surface for maximum field of vision.