The Thunder X Sinner Sunglasses are designed for outdoor fast paced activities. One of its key features is its polycarbonate lenses, which offer distortion-free vision, making them ideal for sports that require clear, focused vision. The lenses also provide 100% UV protection, shielding your eyes from harmful UV rays.Another feature of the Thunder X sunglasses is that they are RX compatible, meaning that they can accommodate prescription lenses for those who need corrective eyewear. This makes them a great choice for people who wear glasses or contact lenses, as they can now have a pair of sunglasses that provide both vision correction and sun protection.The frames are lightweight and durable, making them comfortable to wear for long periods of time ... More info