Mineral lenses with an HD (high definition) filter and a photochromic filter which react by darkening when exposed to UV rays

Bridge 19mm Fit:  Large Frame Features: Anti-corrosive spring hinge  More Info on Lens Colors & Technology

with an added edge

Fit: Medium  (57mm)

Light-Adjusting Lens Size:  57x48  (WxHt) Lens Material:  Light-Weight Mineral Glass Frame Material:  Nylon TR90 Frame Fit:  Temple 130

Maui Jim Kaupo Gap 437 Sunglasses Non Polarized Mineral lenses with an HDMaui Jim Kaupo Gap Models: H437 10, 437 02, B437 03M, RM437 04T, Plus Custom Styles Lens Material: MauiBrilliant Maui Jims most advanced lens material that features optics nearly as clear as glass with just one third of the weight. Kaupo Gap combines a staple aviator silhouette with a thin injected nylon frame that is as light as a feather. It is paired with Maui Jim's most advanced lens material, MauiBrilliant and is designed for longer wear and