[Professional ventilation] - designed to reduce atomization and optimize the flow of air inside the lens. Ski goggles provide a smooth airflow system that can quickly and effectively bring fresh air and remove moisture. [Performance dual lens] - scratch resistant, fog resistant, impact resistant, full face real reflector coated reflector, UV resistant, more durable than other ski goggles, with ventilation system. No fog when skiing or snowboarding. The excellent optical definition spherical lens and frameless design create an ultra wide high-definition field of vision. [Design] - Ski glasses allow you to wear glasses under goggles, which are also suitable for people wearing glasses. It is very suitable for skiing, snowboarding, snowboarding, skating, rock climbing, motorcycle/mountain biking, aerial driving, bungee jumping and other sports. [Helmet compatible and adjustable strap] - Silicone back is antiskid, widening high-density jacquard super long strap. Great Materials - Comfortable, warm, safe and breathable materials. This ski goggles are suitable for children (boys and girls) over 10 years old. Soft TPU frame Lens material: PC Frame material: TPU Functions that ski goggles must have UV protection Adjustable strap Maintenance and cleaning of goggles 1. Clean the lens with a soft paper towel instead of wiping and cleaning the lens with a paper tower, finger or rough cloth. 2. Please clean the goggles inside at any time. Spray a layer of anti fog protective coating inside the lens. 3. Store the goggles in a box, bag or bag. After use, place the goggles in a dry place.