There&';s no ignoring the electrifying style of these ARSENAL Voltage sunglasses! The ergonomic frame is lightweight and durable for long-lasting comfort, while polarized lenses offer UV protection, reduced glare and enhanced depth perception. Polarized lenses for UV protection, reduced glare and enhanced depth perception Durable frame made of Grilamid injected nylon, a lightweight and flexible thermoplastic material Ergonomic fit