Fatheadz Eyewear The Boss XL Wide Sunglasses plastic nylon frame Frame Material: Grilamid TR90 Size: XL, XXL, Frame width: 150mm Polycarbonate lenses are lightweight and impact resistant Provides 100-Percent protection from damaging Ultra Violet Rays (UVA, UVB), minimizing glare and visual fatigue Shipped with a convenient Cleaning Cloth Case Finally, a comfortable solution for men with larger heads