1Breathable Soft Foam: The ski goggles are made of breathable super soft 3 layers foam and flexible TPU frames, which are comfortable and warm to wear. In addition, thickened foam can also guard your eyes from shocks or falls. The top and bottom vents can keep the air inside the goggles flowing smoothly, expel extra moisture, and ensure that your glasses or goggles will not fog. 2Great Breathability: The top and bottom vents can keep the air inside the goggles flowing smoothly, expel extra moisture, and ensure that your glasses or goggles will not fog. 3Anti Fog and UV Protection: Ski goggles are made of premium quality double layer PC lenses. The mirror lenses feature UV 400 protection and anti fog treatment, ensuring long term clarity while you enjoy snowboarding, skiing or other snow sports. 4Oversized OTG Design: With OTG design, ski glasses allow you to wear glasses under the goggles, the goggles also fit the wearer. It's great for skiing, skiing, snowboarding, skating, rock climbing, motorcycle, mountain riding, air driving, bouncy jumping, etc. 5Adjustable Strap and Compatible Helmet: The headband of ski goggles can be easily adjusted to fit different head sizes, from men to women, teens to adults, and helmets. The inner side of the strap is designed with non slip silicone, which will stay in place once you wear ski goggles.