Silicone nose and brow piece is embedded into the glasses for added comfort * Lenses 100% UVA/ UVB protection - Category 3 lenses offer high sunglare reduction and good UV protection * Durable polycarbonate ophthalmic quality - capable of being replaced with prescription lenses * Neoprene elastic strap matches chosen color of sunglasses and allows for flexibility, breathability, and comfort - side adjustable Velcro allows for years of wear as the child grows * Frame is made of shatter-resistant polycarbonate