ZUOSEN Cycling Prescription Clip-On Men's Photochromic UV Protection Sports Sunglasses Black Frame

Product Specifications

Brand: ZUOSEN

Model: M7663

Weight: 22 grams

Frame Material: TR-90 (lightweight, high elasticity, durable)

Lens Material: TAC polarized fiber lens membrane, imported from Germany

Lens Features:

Photochromic technology with two national patents combined into one

Fiber lens membrane for enhanced clarity and durability

Changes color according to lighting conditions:

* Light polarized tint on cloudy/rainy days

* Darkens under bright sunlight

Blocks ultraviolet rays (UV400 certified, meets GB39552.1-2020 standards)

Filters UV-A and UV-B rays effectively

Reduces glare and blocks strong light for safe driving

Provides clear vision by blocking reflected and scattered light without affecting normal light transmission

Large curved lens design for an expanded field of view and full coverage against wind and light from all angles

Quick switch mechanism (pull up/push down) for easy use

Anti-slip, comfortable fit with wrap-around temple design conforming to head contours

Dimensions (manual measurement, ±1-3mm tolerance):

* Lens width: 72 mm

* Lens height: 38 mm

* Frame width: 147 mm

* Temple length: 149 mm

Manufacturing and Quality:

High-speed spin coating technology for precision lens crafting

Meticulously engineered with attention to detail

Certified by authoritative testing agencies

Complies with national standards for UV protection and optical quality

Backed by PICC China Life Insurance coverage

Produced by ZUOSEN (Hangzhou) Co., Ltd., an AAA-level trustworthy supplier and enterprise with multiple certifications for integrity and service quality

Usage:

Suitable for multiple scenarios including driving, outdoor activities, and daily wear

Provides stable and comfortable performance in various weather conditions (sunny, cloudy, rainy)

Enhances safety by improving visibility and reducing eye strain

Additional Information:

Lightweight TR material frame ensures comfort during extended wear

Deep slot design for better frame compatibility and aesthetics

Wrap-around temple design enhances comfort and stability during use