Ray-Ban Kai Bio-Based RB3757 004-69 brings a sleek, modern edge to the Kai silhouette with a polished gunmetal metal frame and dark violet lenses. The slim oval shape gives this style a confident fashion-led feel, making it a strong choice for city outfits, travel days, festivals and everyday styling.

Why you'll love them

• Modern oval profile — a slim and expressive shape with a clean contemporary attitude
• Dark violet Category 2 lenses — suited to softer daylight and stylish everyday outdoor wear
• Polished gunmetal frame — a refined metal finish that feels versatile, urban and easy to style
• Adjustable nose pads — designed to support a more comfortable and personalised fit

Designed for men and women who want lightweight sunglasses with a distinctive modern finish, this Ray-Ban style offers petite face coverage and practical proportions. Frame Size: 56-15-145 — Lens Width: 56mm | Bridge Width: 15mm | Temple Length: 145mm | Lens Height: 34.2mm. Ideal for city life, travel and everyday style.