Speedcraft SLThe Speedcraft SL model is designed with a shorter lens profile and more compact nose bridge to fit smaller faces. Matte Black Gloss Black Black Mirror Light Transmission: 15% Lens Type: Base With the exception of the lens air scoops, the SL model maintains the same high performance features and lens technology. High impact resistant and lightweight polycarbonate lenses 5 base cylindrical shield lens for increased peripheral view and protection 360