PANTHER Polarized Photochromic Sports Sunglasses with Prescription Inner UV Effective UV Protection for Men and and Outdoor Activities PT-935 Frame,

Photochromic lenses: The lenses automatically adjust to the intensity of UV rays. When UV rays are strong, the lenses become darker, and when UV rays are weak, the lenses become lighter. There is no need to change lenses, so you can use them anywhere and at any time of day; UV Protection: UV transmittance is less than 1.0% and UV protection is over 99%. Effectively blocks harmful rays such as sunlight and UV rays, protecting your eyes. Reduce eye strain and see the scenery more clearly. Adjustable size: The nose pads can be adjusted to fit your nose shape for a comfortable fit; Impact-resistant, lightweight, and comfortable: Made from durable materials for active use, the lightweight, breathable frame is designed for comfortable, long-lasting wear; Versatile for all occasions: Perfect for sports like golf, running, and cycling, as well as everyday use; These Panther sunglasses are perfect for sports and outdoor activities. Featuring a lightweight, durable design and photochromic lenses that react to UV rays, they darken when UV rays are strong and lighten when they are weak. They can be worn as sunglasses outdoors during the day and as eyeglasses indoors, where UV rays are virtually nonexistent. The flexible frame ensures a comfortable fit. The stylish design makes them perfect for any occasion. The included case makes them easy to carry.