The new Pit Viper Backslap mask offers crystal-clear visibility and lasting comfort in snow-covered mountains. Whether you're navigating through poor visibility or under the bright Alpine sun, it provides clarity and protection throughout the day, allowing you to focus on the terrain ahead. The combination of a double-coated anti-fog lens and the Hyperventilator ventilation system ensures that your view remains clear even during intense rides or dropping temperatures. The half-frame construction, along with the easy lens swap system, allows you to quickly change lenses with just two contact points. The three-layer face foam provides a soft and contoured fit that prevents snow from entering and offers comfort, while the helmet-compatible design and interchangeable 40 mm and 50 mm straps ensure a secure and customized fit with every installation. Light transmittance: 12% CAT 3. The polycarbonate double lens with anti-fog minimizes condensation for consistently clear visibility. Quick lens swap system: Two contact points enable fast and hassle-free lens changes. The Hyperventilator ventilation system reduces moisture buildup and maintains air circulation. The three-layer face foam offers a soft and comfortable fit that conforms to your face. The half-frame construction provides a wide peripheral field of vision and a sleek look. The polycarbonate frame is lightweight yet durable for daily use in the mountains. Helmet-compatible, it fits most winter helmets for added safety. Lens shape: cylindrical. Over The Glasses (OTG): No. Interchangeable lenses: No. UV protection: 100% UVA/B/C.