Rudy Project Rydon Slim impactX2 lens

Lenses darken within seconds from transparent to a specific color, activated by UV rays and light. They have photochromic properties that work even behind windows or car windows, are 20% more stable to temperature changes, and offer up to 65% wider photochromic coverage. They provide maximum UV protection, are guaranteed unbreakable, have semi-rigid properties, are anti-scratch, and are super light.