The FOX Main Core Goggles by FOX RACING are the most affordable option in FOX's lineup, boasting the innovative Variable Lens System (VLS™). This unique feature allows the goggles to be compatible with both standard lenses (included) and injection-molded lenses (sold separately) within the same frame. Designed for versatility, these goggles offer a wide field of view, triple-layer foam for maximum comfort, an anti-slip silicone strap, and a tear-off lens system. It's a true all-rounder that won't break the bank. The package also includes a microfiber goggle bag for easy storage and protection. Lens Technology: Clear Lexan lens with UV protection. Material Composition: 51% TPU (Thermoplastic Polyurethane), 11% Polycarbonate, 38% Nylon.