The Oakley Portal X Polished Black with Prizm Sapphire lenses is a stylish and high-performance pair of sunglasses designed to enhance visual clarity and provide a sleek look. 

 Specification:

1. Frame:

   • Color: Polished Black
   • Material: O-Matter - Lightweight, durable material that offers both comfort and impact resistance. The polished black finish provides a refined, classic appearance.
   • Design: The Portal X features a modern, full-rim design that combines performance with style, fitting various face shapes comfortably.
   • Fit: Standard fit, designed for comfort and secure wear across different face sizes.

2. Lens:

   • Type: Prizm Sapphire
   • Color: Sapphire Blue with a mirrored finish.
   • Lens Technology:
     • Prizm Technology: Enhances color, contrast, and detail to improve visual clarity. Prizm Sapphire lenses are designed for bright light conditions, enhancing the visibility of details and reducing glare.
     • UV Protection: 100% protection against UVA, UVB, UVC, and harmful blue light up to 400nm, providing comprehensive protection for your eyes.
     • Light Transmission: Approximately 12%, making these lenses ideal for bright sunlight. This level of light transmission helps reduce glare and improves visual comfort in intense lighting conditions.
     • Base Lens Color: Blue, which provides a cool tone and enhances contrast while reducing brightness.

3. Optical Features:

   • High Definition Optics (HDO): Ensures clear, sharp vision with minimal distortion, maintaining accurate visual representation across the lens surface.
   • Impact Protection: Meets or exceeds ANSI Z87.1 standards for high-velocity and high-mass impact resistance, making the sunglasses durable and safe for active use.

4. Fit and Comfort:

   • Nose Pads: Unobtainium nose pads for a secure fit that increases grip with perspiration.
   • Temple Pads: Unobtainium ear socks for added grip and comfort.
   • Three-Point Fit: Holds the lenses in precise optical alignment while minimizing pressure points, providing a comfortable fit for extended wear.

5. Dimensions:

   • Lens Width: 59 mm
   • Lens Height: 44 mm
   • Bridge Width: 17 mm
   • Temple Arm Length: 137 mm