Tifosi Bronx - Gloss Black - Fully wrapped and aero-dynamic, Bronx offers full coverage and durable comfort. Also available in the Tactical collection. - 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. - All Tifosi Optics eyewear provides 100% protection from harmful UVA/UVB rays.