Here are some basic knowledge about spy sunglass frames
- Scoop. The patented Scoop venting system eliminates lens fogging by increasing airflow behind the lens.
- Grilamid . Spy Sunglasses scoop frames utilize grilamid as the predominant frame material. Grilamid is an exceptionaly lightweight material.
- Propinate. Spy Sunglasses fashion frames are made from propinate and offer a smooth, dense finish that is very comfortable.
- Nickel Silver. Spy Sunglasses frames utilize an engineered integration of three metals to produce a strong lightweight and pliable frame.
- Aluminum. Lightweight forged aluminum frames are engineered with spring hinges for total control and comfort.