Saint Laurent optical frames, model SL 621. Rectangular shape, made from acetate, a high-quality material derived from cotton flowers, lightweight and hypoallergenic. Size 54, temple length 145 mm for a balanced fit. Compatible with single-vision, progressive or blue light-blocking lenses, fitted to your prescription by our optician. From the FW23 collection, available in-store at Lyon 2 and for delivery throughout France.