Smith Daredevil Goggles Product Features Youth Medium fit. Cylindrical Carbonic-x lens for clarity and impact resistance with built-in Airflow technology for active ventilation. Fog-X anti-fog inner lens for fog-free performance. Designed for ultimate integration with Smith helmets for maximum comfort, venting and fog-free performance. Two-layer DriWix face foam wicks moisture for a fog-free fit. Single-slide strap adjustment system. Floating foam membrane eliminates eyeglass temple pressure. Goggle Lens Colours & Visual Light Transmission(%)» Green Sol-X Mirror, Tint Base Brown Lens with Green Mirror - Cat 3, V.L.T. 12%.» Blue Sensor Mirror, Tint Base Rose Brown Lens with Blue Mirror - Cat 1, V.L.T. 60%.» Red Sol-X Mirror, Tint Base Dark Brown Lens with Green Mirror - Cat 3, V.L.T. 17%.» RC36, Tint Base Rose Copper Lens - Cat 2, V.L.T. 36%.
