These Serengeti sunglasses feature a classic round style suitable for all users. The metal, silver frame offers durability and a full-rim structure for enhanced lens support. The advanced plastic lenses provide superior visual clarity through photochromic technology, adapting to changing light conditions, and include polarization to cut glare. Designed for comprehensive protection, these sunglasses ensure 100% UVA & UVB blockage. The addition of a spring hinge enhances comfort and fit during extended wear.