Tifosi Crit eyewear with Light Night Fototec Lenses have aerodynamic lines and engineered ventilation specialize the Crit for endurance sports. Made of Grilamid TR-90, a homopolyamide nylon characterized by an extremely high alternative bending strength, low density, and high resistance to chemical and UV damage. Adjustable arm and nose pieces specialize the Crit for you. Features: Hydrophilic rubber ear and nose pieces for a no-slip fit Adjustable ear and nose pieces for a customizable Comfortable fit Vented lenses improve air circulation, prevent fogging Specifications: Style: Sport Frame Color: Black Lens Color: Clear (Photochromic) Manufacturer Fit: M, L Interchangeable Lenses: Yes Extra Lens(es) Included: - Polarized: -