**Product Specifications:**
**Brand:** Bertha
**Model:** 3C170â–¡10-1
**Frame Material:** Aluminum Magnesium Alloy
**Lens Material:** Polarized Lens
**Gender:** Men
**Weight:** 29g
**Features:**
- Glasses color changes with UV, lightweight aluminum magnesium polarized driving glasses
- High-definition polarized lenses with rapid and uniform color change, suitable for various weather conditions
- Aerospace-grade aluminum magnesium alloy frame for durability and corrosion resistance
- Lightweight and comfortable to wear, suitable for aerospace, electronics, automotive, and other fields
- Multi-layer coating for protection against strong light, glare, and oil stains
- Intelligent photochromic lenses that adjust darkness according to UV intensity
- UV protection and polarization testing with results meeting standards
- Suitable for various environments including water reflections, driving, cycling, hiking, and beach activities
- Anti-slip and breathable nose pads for comfort and stability
- Spring hinge design for a comfortable fit without squeezing the face
- Rubber anti-slip temple tips for a secure and comfortable fit
- Laser-engraved Bertha logo for authenticity
**Additional Information:**
- Lotus leaf biomimetic membrane layer for easy cleaning and clear vision
- Sturdy nose bridge for durability and comfort
- Adjustable temple tightness to fit different face shapes
- Sandblasted aluminum magnesium frame with vacuum IP plating for color durability
These Bertha polarized sunglasses are designed to provide a high-definition, comfortable, and durable eyewear experience for outdoor activities and driving.
