Part of the sport collection, Maui Jim Spartan Reef Polarized Sunglasses have sleek wrap frames with modified rectangular lenses featuring ST glass for a crisp, color-enhanced view of the world. PolarizedPlus2 lenses eliminate 99.9% of glare and block 100% of UV rays. SuperThin lenses are 20% lighter and thinner than standard glass lenses; they also feature a patented multi-layer design and lens treatment that maximizes color transmission and enhances visible color. A waterproof and oleophobic coating sheds water and snow and repels grease and smudges for excellent visual clarity in a variety of conditions. The nylon frames feature rubber temple tips and nose pads for comfort and a secure fit. Spartan Reef best fits medium or large faces. Perfect for general use, driving, walking, or a day at the beach Polarized Plus2 lenses eliminate 99.9% of glare and block 100% of UV rays Patented lens design maximizes color transmission and enhances visible colorST (SuperThin) glass lenses are ideal for active lifestyles Sleek nylon frames with rubber temple tips for secure fit Saddle-style fixed bridge with embedded rubber nose pads Anti-corrosive spring hinges Fits best on medium or large faces Manufacturer style #: 278.About your Maui Jim lenses: HCL Bronze has a subtle bronze tint and offers excellent contrast for everyday variable conditions including overcast or foggy days. Neutral Grey features the highest available light reduction for rich color and contrast in bright, direct sunlight.