**Material:** PC **TAC Polarized Lenses:** The UV400 protective layer blocks 100% of harmful UVA and UVB rays. These lenses visually restore true color and eliminate reflected or scattered light. TAC polarized triacetate lenses are impact-resistant, scratch-resistant, lightweight, and durable. **Lightweight TR90 Frame:** These Cool Black Unbreakable sunglasses are made of premium TR90, an ultra-light, flexible, and durable material produced using Swiss technology. They feature anti-slip nose pads for comfort and skin-friendliness, and a unique flexible hinge design that prevents head pressure. **Perfect All-Rounder:** The frame design is a classic and timeless style for men's fashion, with added sporty elements. These sunglasses are ideal for driving, fishing, climbing, running, hiking, biking, skiing, boating, and other outdoor activities.