hongdak Ski Goggles, Snowboard Goggles UV Protection, Snow Goggles Helmet Compatible for Men Women Boys Girls Kids, Anti Fog OTG High Performance Lens - Hongdak Ski & Snow Goggles with 100% UV protection and enhanced Anti-fogging & Anti-scratch performance. Detachable Lens System - The detachable lens system provides spare lenses with different colors, suitable for different weather conditions and personal preference when skiing, snowboarding or other winter sports. OTG Design & Helmet Compatible- The OTG Design lets you wear your glasses under the goggles. Adjustable strap and engineered frame shape for better helmet compatibility, designed for both adults and teens. Spherical super-wide view and smooth venting - The panoramic lens design provides more than 180 degree view and super clear vision. Two-way ventilation system enhances air-flow and provides better fog-resistance and comfortable wearing in warm and moist condition all day long. 100% MONEY BACK GUARANTEE- We devote ourselves to provide the best customer service and bring the best shopping experience to every customer. If you are not satisfied with our product, please contact us and we can offer a full refund. No questions asked!