Gliamides and Grilamid is also a premier material for sports and performance frames. Typically made of a high quality thermoplastic material that is shock resistant, lightweight and non-allergenic. This material used to manufacture Rudy Project sunglass frames. It provides structural integrity and stability that is very resistant to hot, cold and chemical damage.
Pros: Nylon is easily molded into today’s popular wraparound styles.
Cons: Nylon frames do have some drawbacks in fit. Be certain of proper fit initially since the adjustments are limited.