Saint Laurent SL M154 Sunglasses combine a slim acetate oval cat-eye frame with reliable UV protection for everyday refinement. The model stands out for its monogram hinge detail and lightweight construction. Key attributes: Brown | Havana | Acetate | 100% UVA/UVB protection | Category 3 grey lenses | Nylon lenses | Includes original case | Cat-eye oval frame | Thin acetate construction | Monogram hinge and logo hardware at temples | Dimensions & fit: Lens width: 55 mm | Bridge: 19 mm | Temple length: 145 mm | Medium size (lens width 55 mm) | Composition & care: Acetate frame | Nylon lenses | Wipe lenses with a soft microfibre cloth; store in the original case.