The Oakley Leffingwell Matte Dark Grey with Prizm Sapphire lenses is a premium pair of sunglasses that combines modern design with advanced lens technology. 

 Specifications : 

1. Frame:

   • Color: Matte Dark Grey
   • Material: O-Matter - This frame material is lightweight, durable, and stress-resistant, providing a comfortable fit for all-day wear. O-Matter™ frames are designed to withstand impact and stress while maintaining flexibility.
   • Design: The Leffingwell features a rectangular lens shape with a minimalist and modern frame design. The Matte Dark Grey color gives the sunglasses a sleek, understated look that pairs well with various styles.
   • Fit: Standard fit, suitable for a range of face shapes and sizes.

2. Lens:

   • Type: Prizm Sapphire
   • Color: Sapphire Blue with a mirrored finish that adds a stylish touch while enhancing visual clarity.
   • Lens Technology:
     • Prizm™ Technology: Engineered to enhance color, contrast, and detail, providing an optimized visual experience in various environments. Prizm Sapphire lenses are ideal for bright light conditions, offering improved depth perception and vivid visuals.
     • UV Protection: Offers 100% protection against UVA, UVB, UVC, and harmful blue light up to 400nm, ensuring comprehensive eye protection from the sun's harmful rays.
     • Light Transmission: Approximately 12%, making these lenses suitable for bright and sunny conditions. This level of light transmission reduces glare while maintaining a comfortable viewing experience.
     • Base Lens Color: Grey, which helps reduce brightness while maintaining natural color balance.

3. Optical Features:

   • High Definition Optics (HDO): Provides clear and sharp vision by minimizing distortion and ensuring 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 these sunglasses durable and safe for active use.

4. Fit and Comfort:

   • Nose Pads: Integrated for a secure and comfortable fit, ensuring the sunglasses stay in place during activities.
   • Temple Pads: Equipped with Unobtainium® material, which increases grip with perspiration, providing stability and a snug fit even during active movement.
   • Three-Point Fit: Ensures the frame holds the lenses in precise optical alignment while reducing pressure points, offering a comfortable fit for extended wear.

5. Dimensions:

   • Lens Width: 55 mm
   • Lens Height: 38 mm
   • Bridge Width: 18 mm
   • Temple Arm Length: 140 mm