[Professional Ventilation Design] - Designed to reduce fogging, optimizing airflow within the lenses. The ski goggles feature a smooth ventilation system that quickly and effectively introduces fresh air and expels moisture. [High-Performance Double-Layer Lenses] - Scratch-resistant, anti-fog, and impact-resistant, these full-face Real Revo mirror-coated reflective lenses offer 100% UV protection and are more durable than other ski goggles. The inner lens uses Italian-made professional-grade durable anti-fog material, working in conjunction with the ventilation system to prevent fogging during skiing or snowboarding. The spherical lens and frameless design provide an ultra-wide, high-definition field of vision. [Extra-Large OTG (Overhead) Design] - Featuring an OTG (overhead) design, these ski goggles allow you to wear your glasses below the goggles, making them suitable for eyeglass wearers as well. Ideal for skiing, snowboarding, skating, rock climbing, motorcycling/mountain biking, high-altitude driving, bungee jumping, and other sports. [Helmet Compatible, Adjustable Strap] - Widened, high-density 3D jacquard silicone anti-slip extended strap. Premium materials - comfortable, warm, safe, and breathable. High-grade TPU frame with a three-layer foam lining. These snow goggles are suitable for children aged 10 and up (boys and girls).