Finest grade nylon is utilized in our frames to create lightweight, incredibly durable and ultimately flexible frames. * Comfortable hydrophilic nose pads and temle tips keep sunglasses firmly in place. * Lightweight, premium-grade resin that"s 20 times more impact resistant than glass-and three times lighter * Armor shell on both sides of the lens to protect against scratches. * All purpose Grey Lens. Neutral Fit: 7-10 Years