All-terrain sunglasses We've enlarged our famous trail sunglasses for better vision and optimal coverage. Cébé®'s exclusive S'Tech™ technology gives you unique stability and comfort, while the enlarged lenses give you a wider field of vision so you can discern every detail in front of you. Available with photochromic lenses that quickly adapt to changing weather conditions, and designed for both trail and downhill mountain biking, S'Track Ultimate L will accompany you on every adventure trail. S'Tech™ technology is a specific temple construction allowing 2 additional contact points at the temples. This technology gives you the highest level of frame stability ever. Lens Interchangeable polycarbonate lenses Available in PHOTOCHROMIC Anti-scratch and anti-mist treatment Frame S’TECH TR90 technology + rubber Double injected frame Adjustable nose pads | Non-slip rubber Non-slip rubber on temple tips Compatible with optical clip