**Product Specifications:**
**Brand:** Bertha
**Features:** Intelligent adjustment, efficient polarized lenses, intelligent photochromic rapid color change, suitable for multiple scenarios
**Design Concept:** Classic Aviator series with resolute and sleek lines, exuding a capable aura. Each corner symbolizes life's challenges, embracing them to navigate through life.
**Usage:** Ideal for driving, traveling, gatherings, fishing, and outdoor activities
**Lens:** German-imported TAC polarized lenses utilizing the principle of blinds for effective sun protection against harmful UV and blue light.
**Weight:** Ultra-lightweight frame weighing less than three coins, providing all-day comfort (~17g, ~18.6g)
**Comfort:** Flexible and snug-fitting temple arms with a triangular fixation principle for a comfortable and secure fit
**Photochromic:** Lenses darken or lighten according to sunlight intensity, ensuring optimal vision in varying light conditions
**UV Protection:** UV400 tested for effective UV protection, allowing clear visibility of hidden patterns with polarized lenses
**Durability:** Impact-resistant lenses with hard coating layers for robust and long-lasting quality
**Style:** Aviator-inspired design with frameless ultra-thin lenses and slender temple arms for a lightweight and comfortable wearing experience
**Craftsmanship:** IP-plated temple arms for sweat and corrosion resistance, featuring hidden screws for a sleek aesthetic
**Product Parameters:**
- Lens Width: 62mm
- Lens Height: 50mm
- Bridge Width: 18mm
- Frame Width: 144mm
- Lens Material: TAC
- Weight: Approximately 17g
**Style:** Driving sunglasses with a classic Aviator design, combining titanium and polarized lenses for a rugged and stylish look
**Color Options:** Available in various frame and lens color combinations
**Product Details:** Frameless design for a minimalist and stylish look, IP-plated temple arms for durability, skin-friendly nose pads for comfort, and anti-slip temple arm design
**Product Display:**
- Frame: Glossy black or silver-white
- Lens: Dark gray polarized
- Lens: Light gray transitioning to dark gray polarized
(Note: All dimensions are hand-measured with a margin of error within 1-3mm. Actual product may vary slightly.)