Best view for the kids . The Anon Tracker 2.0 goggle offers a comfortable fit and is specially designed for kids and teens. Compatible with Anon MFI® beanies, facemasks and neckwarmers for protection in all weather conditions. The cylindrical lens and flexible frame adapt perfectly to the natural curvature of the face, and full-length vents and anti-fog treatment ensure clear, fog-free vision in all weather conditions. Of course, the Anon Tracker 2.0 is compatible with helmets.Smoke lensThis lens is suitable for changeable light conditions.Transmittance of visible light: 35 %