OTG design, head compatibility: eyeglass snow skiing eyeglasses are the best choice for eyeglass wearers, combined with a proprietary shape headpiece. It has been a very suitable male and female adolescent since it has been used as a modern design. (Note:This is not possible to change the mirror head)Flexible adjustment, immediately available: super-long-strength belt with snow-slip mirror, 3-layer thick foam and multiple ventilation holes, comfortable pine adjustment belt, maximum ground altitude.Anti-fog UV400 protection: Double-layer glass can prevent cloud-like snow haze, and single-layer coating provides 100% UV400 protection.First and foremost flexible performance: Made of superior TPU material with flexible flexibility, anti-glare, anti-glare, anti-wind, providing reliable matching performance and serious impression on people.Headband/capacity use: Ultra-long, anti-slip, adjustable shoulder straps ensure color retention and headband/capacity. Extremely suitable snow skiing, single plate snow skiing, rock climbing, etc. Package includes: 1 pc of skid grommet, 1 pc of rice materialcleaning cloth.