Wiley X has designed the PT-1 to meet the high performance expectations of today's modern tactical operator. These lightweight shades feature shatterproof Selenite polycarbonate lenses housed in a heat-resistant, wraparound frame, which offers optimal peripheral vision and eye protection. The unique frame design prevents debris and moisture from entering the field of view and eliminates tunnel vision, allowing you to focus on the task at hand. Ideal for shooting, hunting or any other outdoor activity, these glasses can accommodate night vision goggles and RX inserts. The innovative Take Flight nosepiece is fully adjustable to suit any facial structure and also secures the glasses to prevent slipping in high-intensity situations. With a T-Shell scratch-resistant lens coating and full UVA and UVB sun protection, these glasses are perfect for any tactical operator who needs dependable, resilient eyewear.