The Tifosi Dolomite 2.0 Sunglasses. 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. Hydrophilic rubber ear and nose pieces for a no-slip fit. Adjustable temples and nose pieces for a custom fit. Vented lenses improve air circulation and prevent fogging. Specifications: Style: Active Frame Color: Black Lens Color: Smoke Manufacturer Fit: M, L Interchangeable Lenses: Yes Extra Lens(es) Included: AC Red/Clear Polarized: -