Experience superior eye protection with these men's round polarized sunglasses featuring advanced ND filter technology. The built-in ND filter blocks bright sunlight and indoor blue light, helping reduce eye fatigue for clear vision. Enhance your style with the timeless round design, suitable for both casual and formal occasions. Enjoy the ability to adjust lens darkness with the adjustable dimming feature, providing optimal comfort in various lighting conditions. These durable sunglasses are versatile for outdoor activities, everyday wear, and professional environments. Designed for all-day comfort, they include adjustable features that fit a 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): Diameter of Lens Frame: 5.85cm/2.3", Total Length: 12.75cm/5.0", Leg Length: 14cm/5.5" (Approx.) B (Thin): Diameter of Lens Frame: 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 variations in dimensions may occur due to manual measurement. Package Includes: 1 Pair of Sunglasses 1 x Glasses Cloth (Random Color) 1 x Glasses Box