Perfect for future swim champions to train with! Voit's Snow Line training swim goggles have lenses equipped with a Revo mirror coating and an anti-fog treatment design that provides perfect underwater visibility. They are also easy to adjust for greater user comfort. Recommended for ages 12 and up. One-piece polycarbonate lens design Revo mirror coating for natural vision and UV protection Anti-fog lenses Adjustable bands made with hypoallergenic embossed silicone