Metal Alloy
Metal alloy frames are a staple of the eyewear industry, typically referring to combinations of base metals like Monel or Nickel Silver (a combination of copper, nickel, and zinc). They are often coated or plated for color and durability. They occupy the middle ground between budget plastics (PC) and premium metals (Titanium).
Best For: Classic aviators, wire-frame styles, budget-conscious buyers who prefer metal over plastic, and situations requiring adjustable nose pads.
Pros:
- Rigidity: Holds shape excellently and feels solid.
- Cost: Significantly more affordable than Titanium while still providing a classic metal aesthetic.
- Adjustability: Almost always feature adjustable silicone or plastic nose pads, which are crucial for achieving a comfortable fit for certain nose bridges.
Cons:
- Weight: Noticeably heavier than Titanium or TR-90.
- Corrosion: Over time, the plating can wear off from exposure to sweat and skin oils, leading to green oxidation or discoloration.
- Allergies: