The 

Ray-Ban Aviator Classic (RB3025)

 is one of the brand's most iconic and popular sunglass models. Originally designed for U.S. aviators in 1937, the RB3025 features a timeless teardrop shape, a thin metal frame, and excellent sun coverage. The sunglasses are available with various frame and lens color combinations, as well as in different sizes and lens types, including polarized. 

Key features

1. Design: Features a classic teardrop-shaped lens and thin metal frame.
2. Lenses: The standard lens is the original G-15, which provides a natural view by transmitting all colors equally. Other options include gradient and polarized lenses.
3. Protection: Genuine Ray-Ban lenses offer 100% UV protection.
4. Materials: Made with high-quality metal frames and glass lenses, which are known for exceptional optical quality and scratch resistance.
5. Handmade in Italy: New Aviators are made in Italy, and authentic pairs will have "Made in Italy" etched on the inside of the temple. Some models may also be made in China, with the same quality standards.
6. Markings: Authentic Aviators have a small, crisp "RB" etched on the left lens. Polarized versions will have "Ray-Ban P" printed on the top corner of the right lens. 

Sizes

The 

RB3025

 comes in several sizes to accommodate different face shapes. The lens width is the primary measurement that determines the fit. 

1. 55mm: Considered a smaller size for those with smaller faces or who prefer a more snug fit.
2. 58mm: This is the medium, and most common, standard size that fits most people.
3. 62mm: This large size offers an oversized look and maximum eye coverage. 

Lens options

The 

RB3025

 is available with a variety of lenses that offer different levels of clarity, color, and protection. 

1. G-15 Green: The classic solid green lens provides a natural vision with true color perception.
2. Gradient: Features a lens color that fades from a solid color at the top to a transparent color at the bottom.
3. Polarized: These lenses significantly reduce glare from reflective surfaces like water and pavement, improving clarity and reducing eye strain. Polarized versions can be identified by the "Ray-Ban P" logo on the lens.