**Product Specifications:**
**Brand:** HILX
**Model:** YOUNGBLOOD
**Frame Material:** Grilamid TR90
**Lens Material:** Polarized Polycarbonate/Nylon
**Weight:** ⤠28g
**Light Transmission Rate:** Cat.3
**Origin:** China
**Color:** 338
**Dimensions:** 149mm (Frame Width), 136mm (Temple Length), 53mm (Lens Width)
**Frame Features:** Triple Scratch-Resistant Coating, ZNAP Technology, AKTIVTM Hinge
**Lens Technology:** XVIZ LENS TECHNOLOGY
**Face Shapes:** Round, Oval, Heart, Square, Diamond, Triangle, etc.
**Color Options:** Youngblood-C1 to Youngblood-C12
**Light Transmission Rates (VLT):** Ranging from 10% to 21%
**Additional Features:** Metal-Free Hinges, Double Waterproof Coating, UV400 Protection
**Patents:** AKTIVTM Hinge Technology, Invention Patent Certificate, Patent Number: ZL201780002779.2
Note: The HILX YOUNGBLOOD sunglasses are designed to provide a lightweight, durable, and stylish option with a wide field of vision and comprehensive eye protection. The adjustable hinge technology allows for customization based on individual face shapes.