Features Photochromic Technology Our sunglasses utilize highly photosensitive molecules that respond to UV light within seconds, adjusting to the most appropriate condition (Cat.0 to Cat.3). Experience optimal visual comfort at all times. 100% UV400 Protection The sunglasses feature a specialized coating that blocks 100% of harmful UV400 rays and intense glare, while seamlessly adapting to changing light conditions. Perfect for outdoor sports, cycling, baseball, golf, fishing, and kayaking in harsh sunlight. HD Visual Experience The impact-resistant HD lenses in our cycling glasses provide a clearer view, effectively reducing visual fatigue caused by distortion. They can withstand high-speed impacts and protect against unforeseen damage, protect your eyes from flying objects. TR90 Frames Made with lightweight and durable TR90 frames, our sports sunglasses are resilient to damage. Shape memory materials ensure a perfect fit for riders of all sizes, delivering lightweight and comfortable performance. What's Included？ All that you need, we've got it covered!1 x sport sunglasses,1 x EVA shell case,1 x microfiber pouch (works also as the cleaning cloth), 1 x portable lanyard, 1 x replaceable nose pad.