Tifosi Alpe 2.0 Sunglasses are 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 ear pieces for a customizable, comfortable fit. Specifications: Style: Active Frame Color: Pink Lens Color: Smoke Manufacturer Fit: XS, S, M Interchangeable Lenses: - Extra Lens(es) Included: - Polarized: -