**Product Specifications:**
**Brand:** Four Thousand Kilometers
**Product Name:** High Definition Polarized Sunglasses
**Frame Material:** Metal + Silicone
**Lens Material:** TAC
**Gender:** Unisex
**Product Color:** Black Frame with Color-changing Lenses
**Face Shape Compatibility:** Oval, Square, Round, Diamond
**Overall Width:** 135mm
**Lens Width:** 65mm
**Lens Height:** 39mm
**Nose Bridge Width:** 15mm
**Temple Length:** 130mm
**Unit:** mm
*Note: Measurements are approximate and may have slight variations.*
**Features:**
Fashionable sunglasses with photochromic polarized lenses that automatically adjust to changing light conditions.
UV400 protection filters out UVA and UVB rays, reducing eye damage from varying sunlight intensities.
Seamless design with personalized temple arms for a secure fit.
New packaging upgrade with random selection between old and new packaging.
Suitable for daily wear with a stylish and trendy design that complements various face shapes.
**Additional Information:**
The lenses change color in response to UV light exposure, providing clear vision both during the day and at night.
The sunglasses are tested and certified for UV protection by reputable third-party testing organizations.
Lightweight and comfortable to wear, suitable for all-day use without feeling heavy.
Ideal for fashion-forward individuals looking for eye protection without compromising on style.