The Beneunder Rectangular Aluminum-Magnesium Folding Sunglasses combine lightweight durability and timeless style. Made with aerospace-grade aluminum-magnesium alloy, they weigh just 22g and feature UV400 sun protection with polarized lenses for glare reduction. These sunglasses are perfect for outdoor adventures and daily wear while ensuring modern sophistication. Product Highlights: UV400 Sun Protection: Blocks 99.9% of harmful UV rays for optimal eye safety. Polarized Lenses: Reduces glare for clearer vision in bright conditions.  Ultra-Lightweight Frame: Weighs only 22g for unmatched all-day comfort. Classic Rectangular Design: Enhances facial features with a sleek and versatile look. Durable Construction: Aerospace-grade aluminum-magnesium alloy ensures long-lasting toughness. Comfortable Fit: Soft nose pads and flexible temples provide a secure, pressure-free fit. Product Details: Advanced Lens Protection: Provides enhanced sun protection and scratch resistance for everyday durability. Lightweight Materials: Combines strength and flexibility for a barely-there feel during extended use. Compact Folding Design: Folds into a small size for convenient portability on the go. Universal Fit: Adapts to different face shapes for personalized comfort. Versatile Applications: Ideal for hiking, driving, urban commuting, cycling, and casual outings.