The Speedcraft SL model is designed with a shorter lens profile and more compact nose bridge to fit smaller faces. Filter Category: 0-2 Light Transmission: 89-24% Comes with a hard case, microfiber cleaning bag and extra alternative fit nosepad Highlights High-impact resistant and lightweight polycarbonate lenses 5-base cylindrical shield lens for increased peripheral view and protection 360 degree visibility for unobstructed views and optimal field of vision Interchangeable scratch-resistant lenses provide 100% UV protection HYDROILO lens treatment repels water, dirt and oil Temple arm scoops to manage moisture Shatterproof and lightweight Grilamid TR90 frame Ultra-grip rubber nose pads and tips for a secure fit no matter how much you sweat