Experience superior eye protection with these men's round polarized sunglasses featuring advanced ND filter technology. The built-in ND filter helps block intense sunlight and indoor blue light, reducing eye fatigue for clear vision. The timeless round design enhances your style, making them suitable for both casual and formal occasions. These sunglasses offer adjustable lens tint levels, allowing you to customize lens darkness for optimal comfort in various lighting conditions. Crafted for durability, they are ideal for outdoor activities, everyday wear, and professional environments. Enjoy all-day comfort with adjustable features that accommodate a wide range of head sizes, ensuring a secure and comfortable fit. Item Name: Sunglasses Material: Stainless Steel, Aluminum Alloy Features: 1-9 Gear Adjustable, ND Filter, UV Protection Size Details: A (Classic): Lens Frame Diameter: 5.85cm / 2.3", Total Length: 12.75cm / 5.0", Leg Length: 14cm / 5.5" (Approx.) B (Thin): Lens Frame Diameter: 5.47cm / 2.2", Total Length: 12.43cm / 4.9", Leg Length: 14cm / 5.5" (Approx.) Notes: Due to differences in lighting and screen settings, the item's color may vary slightly from the images. Slight dimensional variations may occur due to manual measurement. Package Includes: 1 Pair of Sunglasses 1 x Glasses Cloth (Random Color) 1 x Glasses Box