100percent S2 Photochromic Sunglasses: Unrivaled Performance & Adaptive VisionElevate your performance with the 100percent S2 photochromic sunglasses, the ultimate eyewear for athletes who demand versatility and uncompromising clarity. Engineered for excellence, these adult sunglasses automatically adjust to changing light conditions, ensuring you always have the perfect level of tint from dawn to dusk. Whether you´re a dedicated cyclist, a trail runner, or an outdoor enthusiast, the S2 delivers the advanced technology and superior comfort you need to push your limits.The heart of the S2´s versatility lies in its advanced Photochromic 1-3 lens technology. This responsive lens transitions seamlessly from a nearly clear state in low light to a dark tint in bright sun, all on its own. This means you no longer need to swap lenses or carry multiple pairs of glasses. Whether you´re starting a ride before sunrise, plunging into a shaded forest trail, or finishing under the bright afternoon sun, your vision remains sharp, comfortable, and protected.Drawing inspiration from a legacy of victory, the S2 model is built on a foundation of proven success. Inspired by Speedcraft´s legendary success on cycling´s biggest stages, S2 is 100% speed that has been newly refined for everyday sports performance. Our innovative technologies and signature lens have been tuned for riding at any level. S2´s laser-etched edging provides the look of a full frame in a rimless cylindrical shield, for 360-degree visibility and comfort.The S2´s design prioritizes a complete field of vision. The expansive cylindrical shield offers an unobstructed peripheral view, allowing you to stay fully aware of your surroundings. The innovative laser-etched edging gives the sleek aesthetic of a full-frame sunglass while maintaining the lightweight, open feel of a rimless shield. Comfort is paramount for long hours of activity. The 5.5 base curvature ensures the S2 fits securely and closely to your face, while the ultra-grip rubber on the nose and temple tips provides a stable fit that won´t slip, even during intense efforts and perspiration. Durability is also key, the HYDROILO lens coating provides a robust defense against smudges, repelling oil, dirt, and water to keep your vision clear at all times.Features:- Cylindrical shield offers unobstructed view- 5.5 base ensures superior fit- HYDROILO lens coating repels oil and water- Ultra-grip rubber nose and temple tips- Also available in HiPER lens technologyProduct Attributes:- Gender: Adult- Material: Cotton- Lens Type: Photochromic- Lens Technology: Photochromic 1-3Technical Specifications:- Filter Category: 1-3- Light Transmission: 16-77%In the Box:- Includes alternative fit nose piece