Ray-Ban RB3757 Kai Bio-Based eyewear reinvents oval frames with a bold, modern edge. Crafted from lightweight metal with sunglasses' adjustable nosepads, they offer effortless comfort and style. The silver frames pair seamlessly with yellow mirrored lenses, featuring a reflective coating that protects against light and glare for a striking look. This retro-inspired silhouette is elevated with bio-based nylon lenses, blending timeless design with innovative sustainability. Make a fresh, visionary statement wherever the day takes you.