Built with photochromic all-weather lenses that lighten or darken automatically with UV rays. Shatter-resistant PC lens delivers complete UV400 sun protection, shielding pup’s eyes from wind, gravel, pollen and harsh sunlight. Soft skin-friendly foam lining wraps around the dog’s face, paired with adjustable wide elastic head strap to create a snug, pressure-free fit for small to medium breeds. Ultra-light 98g build eliminates wearing fatigue, perfect for skiing, cycling, beach walks and car rides, blending stylish purple appearance with practical eye protection.