1. Spherical LensFeatures a spherical lens design for a wider view, compatible with helmets, face masks, or glasses. The ventilation openings control air circulation while preventing snow clogging. 2. and protective: Made with a elastic TPU frame and a durable, impactresistant polycarbonate lens, these goggles protect your eyes from sun, strong wind, and heavy snowfall. 3. Comfortable fit: The thick and soft sponge layer on the frame provides cushioning around your eye sockets and ensures longer wear without fatigue, discomfort, or irritation. 4. AntiFog Technology The builtin antifog layer (P80) distributes water molecules on the lens surface, maintaining crystalclear vision under all conditions.