Tifosi Swank sunglasses are a retro-value for modern times, carrying the freedom of youth into the excitement and unpredictability of tomorrow. Swank's light frame is designed for a no-slip fit and is equipped with shatterproof, scratch-resistant lenses covering a spectrum of popular colors. Features: Glare Guard: Reduces Eye Strain Grilamid TR-90 Frame: light and durable nylon material Hydrophilic Rubber: Increases grip the more you sweat Polycarbonate Lenses: Scratch-Resistant, shatterproof material UVA/UVB Protection: Protection from UV rays Specifications: Style: Casual Frame Color: Black Lens Color: Smoke Manufacturer Fit: Small, Medium, Large