Bronx Matte Black Sunglasses by Tifosi®. Included Lenses: Clarion Red Polarized. A mix of style and attitude, the Bronx is the epitome of the borough in which it was named for. With sleek design lines and a full wraparound frame, the Bronx is the perfect way to keep yourself covered both on the sidewalk and in the backcountry. 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.