Ray-Ban RB4640F 710/M2 52mm Square Polarized Tortoise Havana Sunglasses Brown Gradient Lens

The Ray-Ban RB4640-F 710/M2 offers a modern square interpretation of classic acetate eyewear, finished in rich tortoise. Engineered with a Low Bridge / Full Fit (F) design, this frame provides enhanced comfort and a stay-put fit for higher cheekbones and lower nose bridges. Outfitted with polarized brown gradient lenses, it combines upper-edge sun protection and crisp glare reduction with seamless lower-field visibility.

Key Features:

• Full Fit Design (F-Suffix): Features molded nose pads and specialized frame geometry to prevent slipping and pinch points.

• Polarized Gradient Lenses: Smooth brown gradient tint eliminates reflected glare while keeping lower sightlines clear and natural (Category 3P).

• Lightweight Acetate Construction: Classic Havana tortoise frame paired with clean flush hinges and raised silver Ray-Ban temple logos.

• Complete Packaging: Includes signature Ray-Ban tan leatherette case and branded outer silver box.

Specifications:

• Brand: Ray-Ban

• Model: RB 4640-F

• Color Code: 710/M2

• Frame Material: Acetate

• Frame Color: Tortoise / Havana

• Lens Color: Brown Gradient Polarized

• Size: 52-20-150

  Model Number & Specs

  • Model Name: Ray-Ban Square Sunglasses (Full Fit / Asian Fit)

  • Model Number: RB 4640-F

  • Full Code: RB 4640F 710/M2 52☐20 150 3P

  • Frame Color: Tortoise (Havana Acetate)

  • Lens Color: Brown Gradient Polarized

  • Lens / Bridge Size: 52mm / 20mm

  • Temple Length: 150mm